667650043160 has 64 divisors (see below), whose sum is σ = 1511164512000. Its totient is φ = 265472937856.

The previous prime is 667650043141. The next prime is 667650043169. The reversal of 667650043160 is 61340056766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667650043169) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4844891 + ... + 4980789.

It is an arithmetic number, because the mean of its divisors is an integer number (23611945500).

Almost surely, 2^667650043160 is an apocalyptic number.

It is an amenable number.

667650043160 is an abundant number, since it is smaller than the sum of its proper divisors (843514468840).

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

667650043160 is a wasteful number, since it uses less digits than its factorization.

667650043160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136640 (or 136636 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 667650043160 in words is "six hundred sixty-seven billion, six hundred fifty million, forty-three thousand, one hundred sixty".