716253666 has 32 divisors (see below), whose sum is σ = 1482338880. Its totient is φ = 230571264.

The previous prime is 716253661. The next prime is 716253677. The reversal of 716253666 is 666352617.

It is not an unprimeable number, because it can be changed into a prime (716253661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 38558.

It is an arithmetic number, because the mean of its divisors is an integer number (46323090).

Almost surely, 2^716253666 is an apocalyptic number.

716253666 is an abundant number, since it is smaller than the sum of its proper divisors (766085214).

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

716253666 is a wasteful number, since it uses less digits than its factorization.

716253666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31330.

The product of its digits is 272160, while the sum is 42.

The square root of 716253666 is about 26762.9158725278. The cubic root of 716253666 is about 894.7237231789.

The spelling of 716253666 in words is "seven hundred sixteen million, two hundred fifty-three thousand, six hundred sixty-six".