16387700667 has 48 divisors (see below), whose sum is σ = 23986222848. Its totient is φ = 9946734720.

The previous prime is 16387700627. The next prime is 16387700677. The reversal of 16387700667 is 76600778361.

It is a happy number.

It is not a de Polignac number, because 16387700667 - 2⁸ = 16387700411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16387700617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15894442 + ... + 15895472.

It is an arithmetic number, because the mean of its divisors is an integer number (499712976).

Almost surely, 2^16387700667 is an apocalyptic number.

16387700667 is a deficient number, since it is larger than the sum of its proper divisors (7598522181).

16387700667 is a wasteful number, since it uses less digits than its factorization.

16387700667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 16387700667 in words is "sixteen billion, three hundred eighty-seven million, seven hundred thousand, six hundred sixty-seven".