851673614361 has 16 divisors (see below), whose sum is σ = 1152648552000. Its totient is φ = 559242528768.

The previous prime is 851673614357. The next prime is 851673614383. The reversal of 851673614361 is 163416376158.

It is not a de Polignac number, because 851673614361 - 2² = 851673614357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (851673614161) 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, 1502665 + ... + 1990313.

It is an arithmetic number, because the mean of its divisors is an integer number (72040534500).

Almost surely, 2^851673614361 is an apocalyptic number.

It is an amenable number.

851673614361 is a deficient number, since it is larger than the sum of its proper divisors (300974937639).

851673614361 is a wasteful number, since it uses less digits than its factorization.

851673614361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496408.

The product of its digits is 2177280, while the sum is 51.

The spelling of 851673614361 in words is "eight hundred fifty-one billion, six hundred seventy-three million, six hundred fourteen thousand, three hundred sixty-one".