165654485460 has 36 divisors (see below), whose sum is σ = 502485273108. Its totient is φ = 44174529408.

The previous prime is 165654485453. The next prime is 165654485519. The reversal of 165654485460 is 64584456561.

165654485460 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 54 + 48 + 546 + 0 = 666.

165654485460 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 2 ways, for example, as 104777805636 + 60876679824 = 323694^2 + 246732^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 165654485397 and 165654485406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460151169 + ... + 460151528.

It is an arithmetic number, because the mean of its divisors is an integer number (13957924253).

Almost surely, 2^165654485460 is an apocalyptic number.

165654485460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165654485460 is an abundant number, since it is smaller than the sum of its proper divisors (336830787648).

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

165654485460 is a wasteful number, since it uses less digits than its factorization.

165654485460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920302712 (or 920302707 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 165654485460 in words is "one hundred sixty-five billion, six hundred fifty-four million, four hundred eighty-five thousand, four hundred sixty".