660720238095 has 16 divisors (see below), whose sum is σ = 1057219884000. Its totient is φ = 352361625984.

The previous prime is 660720238063. The next prime is 660720238127. The reversal of 660720238095 is 590832027066.

It is an interprime number because it is at equal distance from previous prime (660720238063) and next prime (660720238127).

It is not a de Polignac number, because 660720238095 - 2⁵ = 660720238063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162204 + ... + 1634673.

It is an arithmetic number, because the mean of its divisors is an integer number (66076242750).

Almost surely, 2^660720238095 is an apocalyptic number.

660720238095 is a deficient number, since it is larger than the sum of its proper divisors (396499645905).

660720238095 is a wasteful number, since it uses less digits than its factorization.

660720238095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812634.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 660720238095 in words is "six hundred sixty billion, seven hundred twenty million, two hundred thirty-eight thousand, ninety-five".