666735481414 has 16 divisors (see below), whose sum is σ = 1017586968048. Its totient is φ = 327564892512.

The previous prime is 666735481319. The next prime is 666735481457. The reversal of 666735481414 is 414184537666.

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, 6213349 + ... + 6319744.

It is an arithmetic number, because the mean of its divisors is an integer number (63599185503).

Almost surely, 2^666735481414 is an apocalyptic number.

666735481414 is a deficient number, since it is larger than the sum of its proper divisors (350851486634).

666735481414 is a wasteful number, since it uses less digits than its factorization.

666735481414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12533559.

The product of its digits is 11612160, while the sum is 55.

The spelling of 666735481414 in words is "six hundred sixty-six billion, seven hundred thirty-five million, four hundred eighty-one thousand, four hundred fourteen".