672153293779128 has 160 divisors (see below), whose sum is σ = 2158610292854400. Its totient is φ = 191418247994688.

The previous prime is 672153293779117. The next prime is 672153293779157. The reversal of 672153293779128 is 821977392351276.

672153293779128 is a `hidden beast` number, since 6 + 7 + 2 + 1 + 532 + 9 + 3 + 7 + 79 + 12 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 239946118 + ... + 242731221.

It is an arithmetic number, because the mean of its divisors is an integer number (13491314330340).

Almost surely, 2^{672153293779128} is an apocalyptic number.

It is an amenable number.

672153293779128 is an abundant number, since it is smaller than the sum of its proper divisors (1486456999075272).

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

672153293779128 is a wasteful number, since it uses less digits than its factorization.

672153293779128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482677671 (or 482677658 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 72.

The spelling of 672153293779128 in words is "six hundred seventy-two trillion, one hundred fifty-three billion, two hundred ninety-three million, seven hundred seventy-nine thousand, one hundred twenty-eight".