672167066 has 8 divisors (see below), whose sum is σ = 1061316480. Its totient is φ = 318394908.

The previous prime is 672167059. The next prime is 672167077. The reversal of 672167066 is 660761276.

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

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 in 3 ways as a sum of consecutive naturals, for example, 8844266 + ... + 8844341.

It is an arithmetic number, because the mean of its divisors is an integer number (132664560).

Almost surely, 2^672167066 is an apocalyptic number.

672167066 is a deficient number, since it is larger than the sum of its proper divisors (389149414).

672167066 is a wasteful number, since it uses less digits than its factorization.

672167066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688628.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 672167066 is about 25926.1849488119. The cubic root of 672167066 is about 875.9764081482.

The spelling of 672167066 in words is "six hundred seventy-two million, one hundred sixty-seven thousand, sixty-six".