165061896 has 16 divisors (see below), whose sum is σ = 412654800. Its totient is φ = 55020624.

The previous prime is 165061877. The next prime is 165061901. The reversal of 165061896 is 698160561.

It is a happy number.

It is a super-2 number, since 2×165061896² = 54490859022229632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438766 + ... + 3438813.

It is an arithmetic number, because the mean of its divisors is an integer number (25790925).

Almost surely, 2^165061896 is an apocalyptic number.

It is an amenable number.

165061896 is an abundant number, since it is smaller than the sum of its proper divisors (247592904).

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

165061896 is a wasteful number, since it uses less digits than its factorization.

165061896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877588 (or 6877584 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 165061896 is about 12847.6416512915. The cubic root of 165061896 is about 548.5492300200.

It can be divided in two parts, 1650 and 61896, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 165061896 in words is "one hundred sixty-five million, sixty-one thousand, eight hundred ninety-six".