165561151060104 has 32 divisors (see below), whose sum is σ = 413988874797120. Its totient is φ = 55175584067136.

The previous prime is 165561151060049. The next prime is 165561151060169. The reversal of 165561151060104 is 401060151165561.

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 7 ways as a sum of consecutive naturals, for example, 716524972 + ... + 716755995.

It is an arithmetic number, because the mean of its divisors is an integer number (12937152337410).

Almost surely, 2^{165561151060104} is an apocalyptic number.

It is an amenable number.

165561151060104 is an abundant number, since it is smaller than the sum of its proper divisors (248427723737016).

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

165561151060104 is a wasteful number, since it uses less digits than its factorization.

165561151060104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433285789 (or 1433285785 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 165561151060104 in words is "one hundred sixty-five trillion, five hundred sixty-one billion, one hundred fifty-one million, sixty thousand, one hundred four".