672180551 has 8 divisors (see below), whose sum is σ = 768399744. Its totient is φ = 576009720.

The previous prime is 672180521. The next prime is 672180559. The reversal of 672180551 is 155081276.

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

It is a cyclic number.

It is not a de Polignac number, because 672180551 - 2¹⁰ = 672179527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672180559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25496 + ... + 44658.

It is an arithmetic number, because the mean of its divisors is an integer number (96049968).

Almost surely, 2^672180551 is an apocalyptic number.

672180551 is a deficient number, since it is larger than the sum of its proper divisors (96219193).

672180551 is a wasteful number, since it uses less digits than its factorization.

672180551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24181.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 672180551 is about 25926.4450127664. The cubic root of 672180551 is about 875.9822660484.

The spelling of 672180551 in words is "six hundred seventy-two million, one hundred eighty thousand, five hundred fifty-one".