32263378664 has 32 divisors (see below), whose sum is σ = 66922770240. Its totient is φ = 14458617600.

The previous prime is 32263378663. The next prime is 32263378699. The reversal of 32263378664 is 46687336223.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (32263378661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575649 + ... + 2588144.

It is an arithmetic number, because the mean of its divisors is an integer number (2091336570).

Almost surely, 2^32263378664 is an apocalyptic number.

It is an amenable number.

32263378664 is an abundant number, since it is smaller than the sum of its proper divisors (34659391576).

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

32263378664 is a wasteful number, since it uses less digits than its factorization.

32263378664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163881 (or 5163877 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 50.

The spelling of 32263378664 in words is "thirty-two billion, two hundred sixty-three million, three hundred seventy-eight thousand, six hundred sixty-four".