667380137334 has 32 divisors (see below), whose sum is σ = 1405078375680. Its totient is φ = 210741488352.

The previous prime is 667380137267. The next prime is 667380137351. The reversal of 667380137334 is 433731083766.

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, 2448439 + ... + 2707325.

It is an arithmetic number, because the mean of its divisors is an integer number (43908699240).

Almost surely, 2^667380137334 is an apocalyptic number.

667380137334 is an abundant number, since it is smaller than the sum of its proper divisors (737698238346).

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

667380137334 is a wasteful number, since it uses less digits than its factorization.

667380137334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281524.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 667380137334 in words is "six hundred sixty-seven billion, three hundred eighty million, one hundred thirty-seven thousand, three hundred thirty-four".