10168812785 has 16 divisors (see below), whose sum is σ = 12744950400. Its totient is φ = 7774124160.

The previous prime is 10168812779. The next prime is 10168812791. The reversal of 10168812785 is 58721886101.

It is an interprime number because it is at equal distance from previous prime (10168812779) and next prime (10168812791).

It is a de Polignac number, because none of the positive numbers 2^k-10168812785 is a prime.

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, 84941 + ... + 165989.

It is an arithmetic number, because the mean of its divisors is an integer number (796559400).

Almost surely, 2^10168812785 is an apocalyptic number.

It is an amenable number.

10168812785 is a deficient number, since it is larger than the sum of its proper divisors (2576137615).

10168812785 is a wasteful number, since it uses less digits than its factorization.

10168812785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82168.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 10168812785 in words is "ten billion, one hundred sixty-eight million, eight hundred twelve thousand, seven hundred eighty-five".