16372335641 has 2 divisors, whose sum is σ = 16372335642. Its totient is φ = 16372335640.

The previous prime is 16372335631. The next prime is 16372335659. The reversal of 16372335641 is 14653327361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15952700416 + 419635225 = 126304^2 + 20485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16372335641 is a prime.

It is not a weakly prime, because it can be changed into another prime (16372335601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8186167820 + 8186167821.

It is an arithmetic number, because the mean of its divisors is an integer number (8186167821).

Almost surely, 2^16372335641 is an apocalyptic number.

It is an amenable number.

16372335641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16372335641 is an equidigital number, since it uses as much as digits as its factorization.

16372335641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 41.

The spelling of 16372335641 in words is "sixteen billion, three hundred seventy-two million, three hundred thirty-five thousand, six hundred forty-one".