646232466354 has 16 divisors (see below), whose sum is σ = 1300394167392. Its totient is φ = 214089283008.

The previous prime is 646232466331. The next prime is 646232466371. The reversal of 646232466354 is 453664232646.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 646232466297 and 646232466306.

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, 330383719 + ... + 330385674.

It is an arithmetic number, because the mean of its divisors is an integer number (81274635462).

Almost surely, 2^646232466354 is an apocalyptic number.

646232466354 is an abundant number, since it is smaller than the sum of its proper divisors (654161701038).

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

646232466354 is a wasteful number, since it uses less digits than its factorization.

646232466354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660769561.

The product of its digits is 14929920, while the sum is 51.

The spelling of 646232466354 in words is "six hundred forty-six billion, two hundred thirty-two million, four hundred sixty-six thousand, three hundred fifty-four".