163466172452560 has 40 divisors (see below), whose sum is σ = 390330711795816. Its totient is φ = 63619267115520.

The previous prime is 163466172452533. The next prime is 163466172452563. The reversal of 163466172452560 is 65254271664361.

163466172452560 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 96519935695936 + 66946236756624 = 9824456^2 + 8182068^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 163466172452495 and 163466172452504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163466172452563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27612526171 + ... + 27612532090.

Almost surely, 2^{163466172452560} is an apocalyptic number.

163466172452560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163466172452560 is an abundant number, since it is smaller than the sum of its proper divisors (226864539343256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163466172452560 is a wasteful number, since it uses less digits than its factorization.

163466172452560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55225058311 (or 55225058305 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 163466172452560 in words is "one hundred sixty-three trillion, four hundred sixty-six billion, one hundred seventy-two million, four hundred fifty-two thousand, five hundred sixty".