16200902689 has 4 divisors (see below), whose sum is σ = 16475494320. Its totient is φ = 15926311060.

The previous prime is 16200902671. The next prime is 16200902713. The reversal of 16200902689 is 98620900261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16200902689 - 2¹⁵ = 16200869921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16200902659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137295727 + ... + 137295844.

It is an arithmetic number, because the mean of its divisors is an integer number (4118873580).

Almost surely, 2^16200902689 is an apocalyptic number.

It is an amenable number.

16200902689 is a deficient number, since it is larger than the sum of its proper divisors (274591631).

16200902689 is an equidigital number, since it uses as much as digits as its factorization.

16200902689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274591630.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 16200902689 in words is "sixteen billion, two hundred million, nine hundred two thousand, six hundred eighty-nine".