165556104 has 48 divisors (see below), whose sum is σ = 481467600. Its totient is φ = 47301408.

The previous prime is 165556087. The next prime is 165556121. The reversal of 165556104 is 401655561.

It is an interprime number because it is at equal distance from previous prime (165556087) and next prime (165556121).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69214 + ... + 71565.

It is an arithmetic number, because the mean of its divisors is an integer number (10030575).

Almost surely, 2^165556104 is an apocalyptic number.

165556104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165556104 is an abundant number, since it is smaller than the sum of its proper divisors (315911496).

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

165556104 is a wasteful number, since it uses less digits than its factorization.

165556104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140802 (or 140791 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 165556104 is about 12866.8606893834. The cubic root of 165556104 is about 549.0961507235.

The spelling of 165556104 in words is "one hundred sixty-five million, five hundred fifty-six thousand, one hundred four".