646550096610 has 32 divisors (see below), whose sum is σ = 1692785708352. Its totient is φ = 156739417280.

The previous prime is 646550096579. The next prime is 646550096611. The reversal of 646550096610 is 16690055646.

It is a self number, because there is not a number n which added to its sum of digits gives 646550096610.

It is not an unprimeable number, because it can be changed into a prime (646550096611) 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, 979621029 + ... + 979621688.

It is an arithmetic number, because the mean of its divisors is an integer number (52899553386).

Almost surely, 2^646550096610 is an apocalyptic number.

646550096610 is an abundant number, since it is smaller than the sum of its proper divisors (1046235611742).

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

646550096610 is a wasteful number, since it uses less digits than its factorization.

646550096610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959242738.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 646550096610 in words is "six hundred forty-six billion, five hundred fifty million, ninety-six thousand, six hundred ten".