672155159 has 8 divisors (see below), whose sum is σ = 726746832. Its totient is φ = 617976000.

The previous prime is 672155137. The next prime is 672155161. The reversal of 672155159 is 951551276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672155159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672155119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99734 + ... + 106259.

It is an arithmetic number, because the mean of its divisors is an integer number (90843354).

Almost surely, 2^672155159 is an apocalyptic number.

672155159 is a deficient number, since it is larger than the sum of its proper divisors (54591673).

672155159 is a wasteful number, since it uses less digits than its factorization.

672155159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206257.

The product of its digits is 94500, while the sum is 41.

The square root of 672155159 is about 25925.9553150892. The cubic root of 672155159 is about 875.9712356679.

The spelling of 672155159 in words is "six hundred seventy-two million, one hundred fifty-five thousand, one hundred fifty-nine".