16456712402774 has 48 divisors (see below), whose sum is σ = 28748710250496. Its totient is φ = 7044669046800.

The previous prime is 16456712402773. The next prime is 16456712402777. The reversal of 16456712402774 is 47720421765461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16456712402773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117140989 + ... + 1117155719.

It is an arithmetic number, because the mean of its divisors is an integer number (598931463552).

Almost surely, 2^{16456712402774} is an apocalyptic number.

16456712402774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16456712402774 is a deficient number, since it is larger than the sum of its proper divisors (12291997847722).

16456712402774 is a wasteful number, since it uses less digits than its factorization.

16456712402774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27241 (or 27234 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 16456712402774 in words is "sixteen trillion, four hundred fifty-six billion, seven hundred twelve million, four hundred two thousand, seven hundred seventy-four".