164953775558376 has 72 divisors (see below), whose sum is σ = 519688553109570. Its totient is φ = 47129650158528.

The previous prime is 164953775558357. The next prime is 164953775558489. The reversal of 164953775558376 is 673855577359461.

164953775558376 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 53 + 7 + 7 + 5 + 558 + 3 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 164941878420900 + 11897137476 = 12842970^2 + 109074^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 164953775558295 and 164953775558304.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23377799131 + ... + 23377806186.

Almost surely, 2^{164953775558376} is an apocalyptic number.

It is an amenable number.

164953775558376 is an abundant number, since it is smaller than the sum of its proper divisors (354734777551194).

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

164953775558376 is a wasteful number, since it uses less digits than its factorization.

164953775558376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46755605343 (or 46755605329 counting only the distinct ones).

The product of its digits is 20003760000, while the sum is 81.

The spelling of 164953775558376 in words is "one hundred sixty-four trillion, nine hundred fifty-three billion, seven hundred seventy-five million, five hundred fifty-eight thousand, three hundred seventy-six".