16201675647 has 20 divisors (see below), whose sum is σ = 24206509800. Its totient is φ = 10799329104.

The previous prime is 16201675627. The next prime is 16201675667. The reversal of 16201675647 is 74657610261.

16201675647 is a `hidden beast` number, since 1 + 6 + 20 + 1 + 67 + 564 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (16201675627) and next prime (16201675667).

It is not a de Polignac number, because 16201675647 - 2⁷ = 16201675519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201675627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 631288 + ... + 656450.

It is an arithmetic number, because the mean of its divisors is an integer number (1210325490).

Almost surely, 2^16201675647 is an apocalyptic number.

16201675647 is a deficient number, since it is larger than the sum of its proper divisors (8004834153).

16201675647 is an equidigital number, since it uses as much as digits as its factorization.

16201675647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33124 (or 33115 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 16201675647 in words is "sixteen billion, two hundred one million, six hundred seventy-five thousand, six hundred forty-seven".