16522363641 has 8 divisors (see below), whose sum is σ = 25176935104. Its totient is φ = 9441350640.

The previous prime is 16522363589. The next prime is 16522363667. The reversal of 16522363641 is 14636322561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16522363641 - 2²² = 16518169337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16522363641.

It is not an unprimeable number, because it can be changed into a prime (16522363141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393389590 + ... + 393389631.

It is an arithmetic number, because the mean of its divisors is an integer number (3147116888).

Almost surely, 2^16522363641 is an apocalyptic number.

It is an amenable number.

16522363641 is a deficient number, since it is larger than the sum of its proper divisors (8654571463).

16522363641 is an equidigital number, since it uses as much as digits as its factorization.

16522363641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786779231.

The product of its digits is 155520, while the sum is 39.

The spelling of 16522363641 in words is "sixteen billion, five hundred twenty-two million, three hundred sixty-three thousand, six hundred forty-one".