16445575674 has 24 divisors (see below), whose sum is σ = 38871361152. Its totient is φ = 4983507720.

The previous prime is 16445575639. The next prime is 16445575697. The reversal of 16445575674 is 47657554461.

16445575674 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 5 + 575 + 67 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16445575674.

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, 41529034 + ... + 41529429.

It is an arithmetic number, because the mean of its divisors is an integer number (1619640048).

Almost surely, 2^16445575674 is an apocalyptic number.

16445575674 is an abundant number, since it is smaller than the sum of its proper divisors (22425785478).

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

16445575674 is a wasteful number, since it uses less digits than its factorization.

16445575674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83058482 (or 83058479 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 16445575674 in words is "sixteen billion, four hundred forty-five million, five hundred seventy-five thousand, six hundred seventy-four".