70661216166626 has 8 divisors (see below), whose sum is σ = 108856468148700. Its totient is φ = 34375726783728.

The previous prime is 70661216166613. The next prime is 70661216166649. The reversal of 70661216166626 is 62666161216607.

It can be written as a sum of positive squares in 2 ways, for example, as 70247446890625 + 413769276001 = 8381375^2 + 643249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477440649701 + ... + 477440649848.

Almost surely, 2^{70661216166626} is an apocalyptic number.

70661216166626 is a deficient number, since it is larger than the sum of its proper divisors (38195251982074).

70661216166626 is a wasteful number, since it uses less digits than its factorization.

70661216166626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954881299588.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 70661216166626 in words is "seventy trillion, six hundred sixty-one billion, two hundred sixteen million, one hundred sixty-six thousand, six hundred twenty-six".