818116674505 has 96 divisors (see below), whose sum is σ = 1137555304704. Its totient is φ = 561332588544.

The previous prime is 818116674481. The next prime is 818116674547. The reversal of 818116674505 is 505476611818.

It is not a de Polignac number, because 818116674505 - 2¹⁹ = 818116150217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1058365299 + ... + 1058366071.

It is an arithmetic number, because the mean of its divisors is an integer number (11849534424).

Almost surely, 2^818116674505 is an apocalyptic number.

818116674505 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

818116674505 is a deficient number, since it is larger than the sum of its proper divisors (319438630199).

818116674505 is a wasteful number, since it uses less digits than its factorization.

818116674505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 818116674505 in words is "eight hundred eighteen billion, one hundred sixteen million, six hundred seventy-four thousand, five hundred five".