21416604611432 has 48 divisors (see below), whose sum is σ = 42079407995520. Its totient is φ = 10208202919200.

The previous prime is 21416604611417. The next prime is 21416604611443. The reversal of 21416604611432 is 23411640661412.

It is a self number, because there is not a number n which added to its sum of digits gives 21416604611432.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8505494 + ... + 10732037.

It is an arithmetic number, because the mean of its divisors is an integer number (876654333240).

Almost surely, 2^{21416604611432} is an apocalyptic number.

It is an amenable number.

21416604611432 is a deficient number, since it is larger than the sum of its proper divisors (20662803384088).

21416604611432 is a wasteful number, since it uses less digits than its factorization.

21416604611432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19237702 (or 19237631 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 21416604611432 in words is "twenty-one trillion, four hundred sixteen billion, six hundred four million, six hundred eleven thousand, four hundred thirty-two".