32386663920 has 160 divisors (see below), whose sum is σ = 108596174400. Its totient is φ = 7937114112.

The previous prime is 32386663879. The next prime is 32386663927. The reversal of 32386663920 is 2936668323.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 32386663920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32386663927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691816 + ... + 737144.

It is an arithmetic number, because the mean of its divisors is an integer number (678726090).

Almost surely, 2^32386663920 is an apocalyptic number.

32386663920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32386663920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54298087200).

32386663920 is an abundant number, since it is smaller than the sum of its proper divisors (76209510480).

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

32386663920 is a wasteful number, since it uses less digits than its factorization.

32386663920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45587 (or 45581 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 32386663920 in words is "thirty-two billion, three hundred eighty-six million, six hundred sixty-three thousand, nine hundred twenty".