30640704164722 has 32 divisors (see below), whose sum is σ = 47260820597760. Its totient is φ = 14892454998720.

The previous prime is 30640704164689. The next prime is 30640704164747. The reversal of 30640704164722 is 22746140704603.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 206869663 + ... + 207017725.

It is an arithmetic number, because the mean of its divisors is an integer number (1476900643680).

Almost surely, 2^{30640704164722} is an apocalyptic number.

30640704164722 is a deficient number, since it is larger than the sum of its proper divisors (16620116433038).

30640704164722 is a wasteful number, since it uses less digits than its factorization.

30640704164722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166138.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 30640704164722 in words is "thirty trillion, six hundred forty billion, seven hundred four million, one hundred sixty-four thousand, seven hundred twenty-two".