818630417632 has 24 divisors (see below), whose sum is σ = 1650987872352. Its totient is φ = 399331910400.

The previous prime is 818630417629. The next prime is 818630417707. The reversal of 818630417632 is 236714036818.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311976744 + ... + 311979367.

It is an arithmetic number, because the mean of its divisors is an integer number (68791161348).

Almost surely, 2^818630417632 is an apocalyptic number.

818630417632 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

818630417632 is an abundant number, since it is smaller than the sum of its proper divisors (832357454720).

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

818630417632 is a wasteful number, since it uses less digits than its factorization.

818630417632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623956162 (or 623956154 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 818630417632 in words is "eight hundred eighteen billion, six hundred thirty million, four hundred seventeen thousand, six hundred thirty-two".