664614751110 has 32 divisors (see below), whose sum is σ = 1609191122400. Its totient is φ = 175662187008.

The previous prime is 664614751067. The next prime is 664614751111. The reversal of 664614751110 is 11157416466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664614751111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98022385 + ... + 98029164.

It is an arithmetic number, because the mean of its divisors is an integer number (50287222575).

Almost surely, 2^664614751110 is an apocalyptic number.

664614751110 is an abundant number, since it is smaller than the sum of its proper divisors (944576371290).

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

664614751110 is a wasteful number, since it uses less digits than its factorization.

664614751110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196051672.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 664614751110 in words is "six hundred sixty-four billion, six hundred fourteen million, seven hundred fifty-one thousand, one hundred ten".