716661478238 has 16 divisors (see below), whose sum is σ = 1121821315200. Its totient is φ = 342723548376.

The previous prime is 716661478229. The next prime is 716661478259. The reversal of 716661478238 is 832874166617.

It is a happy number.

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, 43688 + ... + 1198011.

It is an arithmetic number, because the mean of its divisors is an integer number (70113832200).

Almost surely, 2^716661478238 is an apocalyptic number.

716661478238 is a deficient number, since it is larger than the sum of its proper divisors (405159836962).

716661478238 is a wasteful number, since it uses less digits than its factorization.

716661478238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254271.

The product of its digits is 16257024, while the sum is 59.

The spelling of 716661478238 in words is "seven hundred sixteen billion, six hundred sixty-one million, four hundred seventy-eight thousand, two hundred thirty-eight".