667214148415 has 16 divisors (see below), whose sum is σ = 820813059360. Its totient is φ = 520353863680.

The previous prime is 667214148401. The next prime is 667214148421. The reversal of 667214148415 is 514841412766.

It is a de Polignac number, because none of the positive numbers 2^k-667214148415 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977170 + ... + 1513039.

It is an arithmetic number, because the mean of its divisors is an integer number (51300816210).

Almost surely, 2^667214148415 is an apocalyptic number.

667214148415 is a deficient number, since it is larger than the sum of its proper divisors (153598910945).

667214148415 is a wasteful number, since it uses less digits than its factorization.

667214148415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491562.

The product of its digits is 1290240, while the sum is 49.

The spelling of 667214148415 in words is "six hundred sixty-seven billion, two hundred fourteen million, one hundred forty-eight thousand, four hundred fifteen".