667117517024 has 48 divisors (see below), whose sum is σ = 1549434249216. Its totient is φ = 276684681600.

The previous prime is 667117516987. The next prime is 667117517119. The reversal of 667117517024 is 420715711766.

667117517024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 667117517024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48028592 + ... + 48042479.

It is an arithmetic number, because the mean of its divisors is an integer number (32279880192).

Almost surely, 2^667117517024 is an apocalyptic number.

It is an amenable number.

667117517024 is an abundant number, since it is smaller than the sum of its proper divisors (882316732192).

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

667117517024 is a wasteful number, since it uses less digits than its factorization.

667117517024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96071119 (or 96071111 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 667117517024 in words is "six hundred sixty-seven billion, one hundred seventeen million, five hundred seventeen thousand, twenty-four".