956238116891 has 8 divisors (see below), whose sum is σ = 956672057664. Its totient is φ = 955804280200.

The previous prime is 956238116887. The next prime is 956238116909. The reversal of 956238116891 is 198611832659.

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

It is a cyclic number.

It is not a de Polignac number, because 956238116891 - 2² = 956238116887 is a prime.

It is a super-4 number, since 4×956238116891⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 956238116891.

It is not an unprimeable number, because it can be changed into a prime (956238119891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22572656 + ... + 22614978.

It is an arithmetic number, because the mean of its divisors is an integer number (119584007208).

Almost surely, 2^956238116891 is an apocalyptic number.

956238116891 is a deficient number, since it is larger than the sum of its proper divisors (433940773).

956238116891 is a wasteful number, since it uses less digits than its factorization.

956238116891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52041.

The product of its digits is 5598720, while the sum is 59.

The spelling of 956238116891 in words is "nine hundred fifty-six billion, two hundred thirty-eight million, one hundred sixteen thousand, eight hundred ninety-one".