634917373104 has 160 divisors (see below), whose sum is σ = 1946862567424. Its totient is φ = 174475710720.

The previous prime is 634917373099. The next prime is 634917373151. The reversal of 634917373104 is 401373719436.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1510827 + ... + 1884789.

Almost surely, 2^634917373104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634917373104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973431283712).

634917373104 is an abundant number, since it is smaller than the sum of its proper divisors (1311945194320).

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

634917373104 is a wasteful number, since it uses less digits than its factorization.

634917373104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374175 (or 374169 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 634917373104 in words is "six hundred thirty-four billion, nine hundred seventeen million, three hundred seventy-three thousand, one hundred four".