164074426451 has 16 divisors (see below), whose sum is σ = 186039789600. Its totient is φ = 143447770368.

The previous prime is 164074426429. The next prime is 164074426457. The reversal of 164074426451 is 154624470461.

It is a cyclic number.

It is not a de Polignac number, because 164074426451 - 2¹⁸ = 164074164307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164074426457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984065 + ... + 1138653.

It is an arithmetic number, because the mean of its divisors is an integer number (11627486850).

Almost surely, 2^164074426451 is an apocalyptic number.

164074426451 is a deficient number, since it is larger than the sum of its proper divisors (21965363149).

164074426451 is a wasteful number, since it uses less digits than its factorization.

164074426451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158918.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 164074426451 in words is "one hundred sixty-four billion, seventy-four million, four hundred twenty-six thousand, four hundred fifty-one".