818860836064 has 24 divisors (see below), whose sum is σ = 1612164192408. Its totient is φ = 409422311040.

The previous prime is 818860836011. The next prime is 818860836067. The reversal of 818860836064 is 460638068818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818860836067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595614 + ... + 2045410.

It is an arithmetic number, because the mean of its divisors is an integer number (67173508017).

Almost surely, 2^818860836064 is an apocalyptic number.

It is an amenable number.

818860836064 is a deficient number, since it is larger than the sum of its proper divisors (793303356344).

818860836064 is a wasteful number, since it uses less digits than its factorization.

818860836064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506698 (or 506690 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 818860836064 in words is "eight hundred eighteen billion, eight hundred sixty million, eight hundred thirty-six thousand, sixty-four".