667234716142 has 16 divisors (see below), whose sum is σ = 1007160506352. Its totient is φ = 331520688000.

The previous prime is 667234716139. The next prime is 667234716157. The reversal of 667234716142 is 241617432766.

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, 1317453 + ... + 1752184.

It is an arithmetic number, because the mean of its divisors is an integer number (62947531647).

Almost surely, 2^667234716142 is an apocalyptic number.

667234716142 is a deficient number, since it is larger than the sum of its proper divisors (339925790210).

667234716142 is a wasteful number, since it uses less digits than its factorization.

667234716142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070323.

The product of its digits is 2032128, while the sum is 49.

The spelling of 667234716142 in words is "six hundred sixty-seven billion, two hundred thirty-four million, seven hundred sixteen thousand, one hundred forty-two".