165862661060 has 24 divisors (see below), whose sum is σ = 366643777920. Its totient is φ = 62853218784.

The previous prime is 165862661059. The next prime is 165862661071. The reversal of 165862661060 is 60166268561.

It is a junction number, because it is equal to n+sod(n) for n = 165862660996 and 165862661014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218239964 + ... + 218240723.

It is an arithmetic number, because the mean of its divisors is an integer number (15276824080).

Almost surely, 2^165862661060 is an apocalyptic number.

165862661060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165862661060 is an abundant number, since it is smaller than the sum of its proper divisors (200781116860).

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

165862661060 is a wasteful number, since it uses less digits than its factorization.

165862661060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436480715 (or 436480713 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 165862661060 in words is "one hundred sixty-five billion, eight hundred sixty-two million, six hundred sixty-one thousand, sixty".