1672894865928 has 128 divisors (see below), whose sum is σ = 4964052078720. Its totient is φ = 463118376960.

The previous prime is 1672894865927. The next prime is 1672894865987. The reversal of 1672894865928 is 8295684982761.

It is a super-2 number, since 2×1672894865928² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1672894865928.

It is not an unprimeable number, because it can be changed into a prime (1672894865927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2179675 + ... + 2845482.

It is an arithmetic number, because the mean of its divisors is an integer number (38781656865).

Almost surely, 2^{1672894865928} is an apocalyptic number.

It is an amenable number.

1672894865928 is an abundant number, since it is smaller than the sum of its proper divisors (3291157212792).

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

1672894865928 is a wasteful number, since it uses less digits than its factorization.

1672894865928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025287 (or 5025283 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 75.

The spelling of 1672894865928 in words is "one trillion, six hundred seventy-two billion, eight hundred ninety-four million, eight hundred sixty-five thousand, nine hundred twenty-eight".