165044130450 has 48 divisors (see below), whose sum is σ = 409815689760. Its totient is φ = 43957333120.

The previous prime is 165044130431. The next prime is 165044130451. The reversal of 165044130450 is 54031440561.

It is not an unprimeable number, because it can be changed into a prime (165044130451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558684 + ... + 801383.

It is an arithmetic number, because the mean of its divisors is an integer number (8537826870).

Almost surely, 2^165044130450 is an apocalyptic number.

165044130450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165044130450 is an abundant number, since it is smaller than the sum of its proper divisors (244771559310).

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

165044130450 is a wasteful number, since it uses less digits than its factorization.

165044130450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360891 (or 1360886 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 165044130450 in words is "one hundred sixty-five billion, forty-four million, one hundred thirty thousand, four hundred fifty".