445666993416 has 96 divisors (see below), whose sum is σ = 1219933353600. Its totient is φ = 146969424000.

The previous prime is 445666993399. The next prime is 445666993477. The reversal of 445666993416 is 614399666544.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5747190 + ... + 5824218.

It is an arithmetic number, because the mean of its divisors is an integer number (12707639100).

Almost surely, 2^445666993416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445666993416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609966676800).

445666993416 is an abundant number, since it is smaller than the sum of its proper divisors (774266360184).

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

445666993416 is a wasteful number, since it uses less digits than its factorization.

445666993416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77899 (or 77892 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 63.

The spelling of 445666993416 in words is "four hundred forty-five billion, six hundred sixty-six million, nine hundred ninety-three thousand, four hundred sixteen".