16261378792 has 16 divisors (see below), whose sum is σ = 30786107040. Its totient is φ = 8051750256.

The previous prime is 16261378709. The next prime is 16261378811. The reversal of 16261378792 is 29787316261.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9866518 + ... + 9868165.

It is an arithmetic number, because the mean of its divisors is an integer number (1924131690).

Almost surely, 2^16261378792 is an apocalyptic number.

It is an amenable number.

16261378792 is a deficient number, since it is larger than the sum of its proper divisors (14524728248).

16261378792 is a wasteful number, since it uses less digits than its factorization.

16261378792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19734792 (or 19734788 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The spelling of 16261378792 in words is "sixteen billion, two hundred sixty-one million, three hundred seventy-eight thousand, seven hundred ninety-two".