993281168795 has 16 divisors (see below), whose sum is σ = 1220429717760. Its totient is φ = 775653477984.

The previous prime is 993281168749. The next prime is 993281168821. The reversal of 993281168795 is 597861182399.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993281168795 is a prime.

It is a super-2 number, since 2×993281168795² (a number of 25 digits) contains 22 as substring.

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, 1123439 + ... + 1802408.

It is an arithmetic number, because the mean of its divisors is an integer number (76276857360).

Almost surely, 2^993281168795 is an apocalyptic number.

993281168795 is a deficient number, since it is larger than the sum of its proper divisors (227148548965).

993281168795 is a wasteful number, since it uses less digits than its factorization.

993281168795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927474.

The product of its digits is 58786560, while the sum is 68.

The spelling of 993281168795 in words is "nine hundred ninety-three billion, two hundred eighty-one million, one hundred sixty-eight thousand, seven hundred ninety-five".