16687239074 has 16 divisors (see below), whose sum is σ = 27407911680. Its totient is φ = 7556908560.

The previous prime is 16687239043. The next prime is 16687239091. The reversal of 16687239074 is 47093278661.

16687239074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1403954 + ... + 1415789.

It is an arithmetic number, because the mean of its divisors is an integer number (1712994480).

Almost surely, 2^16687239074 is an apocalyptic number.

16687239074 is a deficient number, since it is larger than the sum of its proper divisors (10720672606).

16687239074 is a wasteful number, since it uses less digits than its factorization.

16687239074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820025.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 16687239074 in words is "sixteen billion, six hundred eighty-seven million, two hundred thirty-nine thousand, seventy-four".