165426831359 has 8 divisors (see below), whose sum is σ = 169282750032. Its totient is φ = 161571312000.

The previous prime is 165426831337. The next prime is 165426831421. The reversal of 165426831359 is 953138624561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165426831359 - 2²⁴ = 165410054143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165426831359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165426831329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840359 + ... + 1018359.

It is an arithmetic number, because the mean of its divisors is an integer number (21160343754).

Almost surely, 2^165426831359 is an apocalyptic number.

165426831359 is a deficient number, since it is larger than the sum of its proper divisors (3855918673).

165426831359 is a wasteful number, since it uses less digits than its factorization.

165426831359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199657.

The product of its digits is 4665600, while the sum is 53.

The spelling of 165426831359 in words is "one hundred sixty-five billion, four hundred twenty-six million, eight hundred thirty-one thousand, three hundred fifty-nine".