165022143788 has 12 divisors (see below), whose sum is σ = 288879274992. Its totient is φ = 82485208080.

The previous prime is 165022143787. The next prime is 165022143877. The reversal of 165022143788 is 887341220561.

165022143788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165022143787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6451595 + ... + 6477122.

It is an arithmetic number, because the mean of its divisors is an integer number (24073272916).

Almost surely, 2^165022143788 is an apocalyptic number.

It is an amenable number.

165022143788 is a deficient number, since it is larger than the sum of its proper divisors (123857131204).

165022143788 is a wasteful number, since it uses less digits than its factorization.

165022143788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12931912 (or 12931910 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 165022143788 in words is "one hundred sixty-five billion, twenty-two million, one hundred forty-three thousand, seven hundred eighty-eight".