672163158 has 32 divisors (see below), whose sum is σ = 1357225056. Its totient is φ = 221914368.

The previous prime is 672163157. The next prime is 672163169. The reversal of 672163158 is 851361276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672163157) 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 15 ways as a sum of consecutive naturals, for example, 350410 + ... + 352322.

It is an arithmetic number, because the mean of its divisors is an integer number (42413283).

Almost surely, 2^672163158 is an apocalyptic number.

672163158 is an abundant number, since it is smaller than the sum of its proper divisors (685061898).

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

672163158 is a wasteful number, since it uses less digits than its factorization.

672163158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its digits is 60480, while the sum is 39.

The square root of 672163158 is about 25926.1095808839. The cubic root of 672163158 is about 875.9747104936.

The spelling of 672163158 in words is "six hundred seventy-two million, one hundred sixty-three thousand, one hundred fifty-eight".