646230068072 has 32 divisors (see below), whose sum is σ = 1282997905920. Its totient is φ = 304098512640.

The previous prime is 646230068069. The next prime is 646230068101. The reversal of 646230068072 is 270860032646.

It is a super-2 number, since 2×646230068072² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5890343 + ... + 5999049.

It is an arithmetic number, because the mean of its divisors is an integer number (40093684560).

Almost surely, 2^646230068072 is an apocalyptic number.

It is an amenable number.

646230068072 is a deficient number, since it is larger than the sum of its proper divisors (636767837848).

646230068072 is a wasteful number, since it uses less digits than its factorization.

646230068072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152441 (or 152437 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 646230068072 in words is "six hundred forty-six billion, two hundred thirty million, sixty-eight thousand, seventy-two".