672143162 has 4 divisors (see below), whose sum is σ = 1008214746. Its totient is φ = 336071580.

The previous prime is 672143149. The next prime is 672143239. The reversal of 672143162 is 261341276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 487482241 + 184660921 = 22079^2 + 13589^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 168035789 + ... + 168035792.

Almost surely, 2^672143162 is an apocalyptic number.

672143162 is a deficient number, since it is larger than the sum of its proper divisors (336071584).

672143162 is a wasteful number, since it uses less digits than its factorization.

672143162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336071583.

The product of its digits is 12096, while the sum is 32.

The square root of 672143162 is about 25925.7239436047. The cubic root of 672143162 is about 875.9660240292.

The spelling of 672143162 in words is "six hundred seventy-two million, one hundred forty-three thousand, one hundred sixty-two".