667142514 has 16 divisors (see below), whose sum is σ = 1482539040. Its totient is φ = 222380820.

The previous prime is 667142513. The next prime is 667142519. The reversal of 667142514 is 415241766.

It is not an unprimeable number, because it can be changed into a prime (667142513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6177192 + ... + 6177299.

It is an arithmetic number, because the mean of its divisors is an integer number (92658690).

Almost surely, 2^667142514 is an apocalyptic number.

667142514 is an abundant number, since it is smaller than the sum of its proper divisors (815396526).

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

667142514 is a wasteful number, since it uses less digits than its factorization.

667142514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354502 (or 12354496 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 667142514 is about 25829.1020749851. The cubic root of 667142514 is about 873.7882607718.

The spelling of 667142514 in words is "six hundred sixty-seven million, one hundred forty-two thousand, five hundred fourteen".