16445611424 has 72 divisors (see below), whose sum is σ = 37461503520. Its totient is φ = 7081810560.

The previous prime is 16445611373. The next prime is 16445611541. The reversal of 16445611424 is 42411654461.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 38204 + ... + 185339.

It is an arithmetic number, because the mean of its divisors is an integer number (520298660).

Almost surely, 2^16445611424 is an apocalyptic number.

It is an amenable number.

16445611424 is an abundant number, since it is smaller than the sum of its proper divisors (21015892096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16445611424 is a wasteful number, since it uses less digits than its factorization.

16445611424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223594 (or 223575 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The spelling of 16445611424 in words is "sixteen billion, four hundred forty-five million, six hundred eleven thousand, four hundred twenty-four".