16031037697 has 4 divisors (see below), whose sum is σ = 16728039360. Its totient is φ = 15334036036.

The previous prime is 16031037683. The next prime is 16031037703. The reversal of 16031037697 is 79673013061.

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 16031037697 - 2¹⁵ = 16031004929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16031037497) 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, 348500797 + ... + 348500842.

It is an arithmetic number, because the mean of its divisors is an integer number (4182009840).

Almost surely, 2^16031037697 is an apocalyptic number.

It is an amenable number.

16031037697 is a deficient number, since it is larger than the sum of its proper divisors (697001663).

16031037697 is an equidigital number, since it uses as much as digits as its factorization.

16031037697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697001662.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 16031037697 in words is "sixteen billion, thirty-one million, thirty-seven thousand, six hundred ninety-seven".