164454523264 has 16 divisors (see below), whose sum is σ = 327624245820. Its totient is φ = 82227261568.

The previous prime is 164454523213. The next prime is 164454523309. The reversal of 164454523264 is 462325454461.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642400354 + ... + 642400609.

Almost surely, 2^164454523264 is an apocalyptic number.

It is an amenable number.

164454523264 is a deficient number, since it is larger than the sum of its proper divisors (163169722556).

164454523264 is an equidigital number, since it uses as much as digits as its factorization.

164454523264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284800977 (or 1284800965 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 46.

The spelling of 164454523264 in words is "one hundred sixty-four billion, four hundred fifty-four million, five hundred twenty-three thousand, two hundred sixty-four".