16231526333643 has 16 divisors (see below), whose sum is σ = 21680544148256. Its totient is φ = 10801764771840.

The previous prime is 16231526333639. The next prime is 16231526333657. The reversal of 16231526333643 is 34633362513261.

It is not a de Polignac number, because 16231526333643 - 2² = 16231526333639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16231526333592 and 16231526333601.

It is not an unprimeable number, because it can be changed into a prime (16231526333683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39367305 + ... + 39777477.

It is an arithmetic number, because the mean of its divisors is an integer number (1355034009266).

Almost surely, 2^{16231526333643} is an apocalyptic number.

16231526333643 is a deficient number, since it is larger than the sum of its proper divisors (5449017814613).

16231526333643 is a wasteful number, since it uses less digits than its factorization.

16231526333643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433614.

The product of its digits is 4199040, while the sum is 48.

The spelling of 16231526333643 in words is "sixteen trillion, two hundred thirty-one billion, five hundred twenty-six million, three hundred thirty-three thousand, six hundred forty-three".