215930674722 has 32 divisors (see below), whose sum is σ = 502868207232. Its totient is φ = 60530431104.

The previous prime is 215930674709. The next prime is 215930674741. The reversal of 215930674722 is 227476039512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48499723 + ... + 48504174.

It is an arithmetic number, because the mean of its divisors is an integer number (15714631476).

Almost surely, 2^215930674722 is an apocalyptic number.

215930674722 is an abundant number, since it is smaller than the sum of its proper divisors (286937532510).

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

215930674722 is a wasteful number, since it uses less digits than its factorization.

215930674722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97003962.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 215930674722 in words is "two hundred fifteen billion, nine hundred thirty million, six hundred seventy-four thousand, seven hundred twenty-two".