165013012740 has 48 divisors (see below), whose sum is σ = 468544003200. Its totient is φ = 43383701760.

The previous prime is 165013012709. The next prime is 165013012783. The reversal of 165013012740 is 47210310561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 165013012698 and 165013012707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19363465 + ... + 19371984.

It is an arithmetic number, because the mean of its divisors is an integer number (9761333400).

Almost surely, 2^165013012740 is an apocalyptic number.

165013012740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165013012740 is an abundant number, since it is smaller than the sum of its proper divisors (303530990460).

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

165013012740 is a wasteful number, since it uses less digits than its factorization.

165013012740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38735532 (or 38735530 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 165013012740 in words is "one hundred sixty-five billion, thirteen million, twelve thousand, seven hundred forty".