672614550664 has 32 divisors (see below), whose sum is σ = 1445181059520. Its totient is φ = 287490545856.

The previous prime is 672614550649. The next prime is 672614550703. The reversal of 672614550664 is 466055416276.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16079614 + ... + 16121389.

It is an arithmetic number, because the mean of its divisors is an integer number (45161908110).

Almost surely, 2^672614550664 is an apocalyptic number.

It is an amenable number.

672614550664 is an abundant number, since it is smaller than the sum of its proper divisors (772566508856).

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

672614550664 is a wasteful number, since it uses less digits than its factorization.

672614550664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32201389 (or 32201385 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 672614550664 in words is "six hundred seventy-two billion, six hundred fourteen million, five hundred fifty thousand, six hundred sixty-four".