165247749294 has 16 divisors (see below), whose sum is σ = 330522281040. Its totient is φ = 55078119360.

The previous prime is 165247749283. The next prime is 165247749313. The reversal of 165247749294 is 492947742561.

165247749294 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035277 + ... + 1184184.

It is an arithmetic number, because the mean of its divisors is an integer number (20657642565).

Almost surely, 2^165247749294 is an apocalyptic number.

165247749294 is an abundant number, since it is smaller than the sum of its proper divisors (165274531746).

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

165247749294 is a wasteful number, since it uses less digits than its factorization.

165247749294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231875.

The product of its digits is 30481920, while the sum is 60.

The spelling of 165247749294 in words is "one hundred sixty-five billion, two hundred forty-seven million, seven hundred forty-nine thousand, two hundred ninety-four".