12916646879654 has 16 divisors (see below), whose sum is σ = 22158950584608. Its totient is φ = 5531673964992.

The previous prime is 12916646879623. The next prime is 12916646879707. The reversal of 12916646879654 is 45697864661921.

12916646879654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12916646879654² (a number of 27 digits) contains 22 as substring.

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, 335966807 + ... + 336005250.

It is an arithmetic number, because the mean of its divisors is an integer number (1384934411538).

Almost surely, 2^{12916646879654} is an apocalyptic number.

12916646879654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12916646879654 is a deficient number, since it is larger than the sum of its proper divisors (9242303704954).

12916646879654 is a wasteful number, since it uses less digits than its factorization.

12916646879654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671973439.

The product of its digits is 940584960, while the sum is 74.

The spelling of 12916646879654 in words is "twelve trillion, nine hundred sixteen billion, six hundred forty-six million, eight hundred seventy-nine thousand, six hundred fifty-four".