667407106670 has 32 divisors (see below), whose sum is σ = 1287444794688. Its totient is φ = 248454252288.

The previous prime is 667407106657. The next prime is 667407106699. The reversal of 667407106670 is 76601704766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39204599 + ... + 39221618.

It is an arithmetic number, because the mean of its divisors is an integer number (40232649834).

Almost surely, 2^667407106670 is an apocalyptic number.

667407106670 is a deficient number, since it is larger than the sum of its proper divisors (620037688018).

667407106670 is a wasteful number, since it uses less digits than its factorization.

667407106670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78426284.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 667407106670 in words is "six hundred sixty-seven billion, four hundred seven million, one hundred six thousand, six hundred seventy".