163662354006452 has 72 divisors (see below), whose sum is σ = 340924086429696. Its totient is φ = 68508584790912.

The previous prime is 163662354006439. The next prime is 163662354006469. The reversal of 163662354006452 is 254600453266361.

It is a super-2 number, since 2×163662354006452² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163662354006394 and 163662354006403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580236368 + ... + 580518360.

It is an arithmetic number, because the mean of its divisors is an integer number (4735056755968).

Almost surely, 2^{163662354006452} is an apocalyptic number.

It is an amenable number.

163662354006452 is an abundant number, since it is smaller than the sum of its proper divisors (177261732423244).

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

163662354006452 is a wasteful number, since it uses less digits than its factorization.

163662354006452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350917 (or 350908 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 163662354006452 in words is "one hundred sixty-three trillion, six hundred sixty-two billion, three hundred fifty-four million, six thousand, four hundred fifty-two".