818894701356 has 48 divisors (see below), whose sum is σ = 2030117765760. Its totient is φ = 256181512320.

The previous prime is 818894701319. The next prime is 818894701453. The reversal of 818894701356 is 653107498818.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 818894701356.

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, 16758985 + ... + 16807776.

It is an arithmetic number, because the mean of its divisors is an integer number (42294120120).

Almost surely, 2^818894701356 is an apocalyptic number.

It is an amenable number.

818894701356 is an abundant number, since it is smaller than the sum of its proper divisors (1211223064404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818894701356 is a wasteful number, since it uses less digits than its factorization.

818894701356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33566894 (or 33566892 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 818894701356 in words is "eight hundred eighteen billion, eight hundred ninety-four million, seven hundred one thousand, three hundred fifty-six".