646106050674 has 24 divisors (see below), whose sum is σ = 1599881649600. Its totient is φ = 184601728728.

The previous prime is 646106050663. The next prime is 646106050717. The reversal of 646106050674 is 476050601646.

646106050674 is a `hidden beast` number, since 6 + 4 + 6 + 10 + 60 + 506 + 74 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2563912774 + ... + 2563913025.

It is an arithmetic number, because the mean of its divisors is an integer number (66661735400).

Almost surely, 2^646106050674 is an apocalyptic number.

646106050674 is an abundant number, since it is smaller than the sum of its proper divisors (953775598926).

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

646106050674 is a wasteful number, since it uses less digits than its factorization.

646106050674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127825814 (or 5127825811 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 646106050674 in words is "six hundred forty-six billion, one hundred six million, fifty thousand, six hundred seventy-four".