16215679078 has 16 divisors (see below), whose sum is σ = 24581628720. Its totient is φ = 8021916000.

The previous prime is 16215679057. The next prime is 16215679091. The reversal of 16215679078 is 87097651261.

It is a congruent number.

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, 267208 + ... + 322228.

It is an arithmetic number, because the mean of its divisors is an integer number (1536351795).

Almost surely, 2^16215679078 is an apocalyptic number.

16215679078 is a deficient number, since it is larger than the sum of its proper divisors (8365949642).

16215679078 is a wasteful number, since it uses less digits than its factorization.

16215679078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56583.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 16215679078 in words is "sixteen billion, two hundred fifteen million, six hundred seventy-nine thousand, seventy-eight".