165261036 has 24 divisors (see below), whose sum is σ = 388648960. Its totient is φ = 54652752.

The previous prime is 165260999. The next prime is 165261059. The reversal of 165261036 is 630162561.

It is a super-2 number, since 2×165261036² = 54622420039586592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165260994 and 165261012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52696 + ... + 55743.

Almost surely, 2^165261036 is an apocalyptic number.

It is an amenable number.

165261036 is an abundant number, since it is smaller than the sum of its proper divisors (223387924).

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

165261036 is a wasteful number, since it uses less digits than its factorization.

165261036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108573 (or 108571 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 165261036 is about 12855.3893756665. The cubic root of 165261036 is about 548.7697416289.

The spelling of 165261036 in words is "one hundred sixty-five million, two hundred sixty-one thousand, thirty-six".