634365671610 has 64 divisors (see below), whose sum is σ = 1668201537024. Its totient is φ = 153108129600.

The previous prime is 634365671567. The next prime is 634365671627. The reversal of 634365671610 is 16176563436.

It is a self number, because there is not a number n which added to its sum of digits gives 634365671610.

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, 4159276 + ... + 4309095.

It is an arithmetic number, because the mean of its divisors is an integer number (26065649016).

Almost surely, 2^634365671610 is an apocalyptic number.

634365671610 is an abundant number, since it is smaller than the sum of its proper divisors (1033835865414).

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

634365671610 is a wasteful number, since it uses less digits than its factorization.

634365671610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468619.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 634365671610 in words is "six hundred thirty-four billion, three hundred sixty-five million, six hundred seventy-one thousand, six hundred ten".