166441340645460 has 96 divisors (see below), whose sum is σ = 529859771844480. Its totient is φ = 43352163138816.

The previous prime is 166441340645387. The next prime is 166441340645477. The reversal of 166441340645460 is 64546043144661.

166441340645460 is a `hidden beast` number, since 1 + 6 + 6 + 4 + 4 + 1 + 34 + 0 + 64 + 546 + 0 = 666.

It is a super-2 number, since 2×166441340645460² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 166441340645397 and 166441340645406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3583984977 + ... + 3584031416.

It is an arithmetic number, because the mean of its divisors is an integer number (5519372623380).

Almost surely, 2^{166441340645460} is an apocalyptic number.

166441340645460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166441340645460 is an abundant number, since it is smaller than the sum of its proper divisors (363418431199020).

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

166441340645460 is a wasteful number, since it uses less digits than its factorization.

166441340645460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168016454 (or 7168016446 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 54.

The spelling of 166441340645460 in words is "one hundred sixty-six trillion, four hundred forty-one billion, three hundred forty million, six hundred forty-five thousand, four hundred sixty".