818116674506 has 16 divisors (see below), whose sum is σ = 1230666550848. Its totient is φ = 407895883200.

The previous prime is 818116674481. The next prime is 818116674547. The reversal of 818116674506 is 605476611818.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830786 + ... + 1525266.

It is an arithmetic number, because the mean of its divisors is an integer number (76916659428).

Almost surely, 2^818116674506 is an apocalyptic number.

818116674506 is a deficient number, since it is larger than the sum of its proper divisors (412549876342).

818116674506 is a wasteful number, since it uses less digits than its factorization.

818116674506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696157.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 818116674506 in words is "eight hundred eighteen billion, one hundred sixteen million, six hundred seventy-four thousand, five hundred six".