32321655645 has 16 divisors (see below), whose sum is σ = 51721768512. Its totient is φ = 17235843200.

The previous prime is 32321655559. The next prime is 32321655661. The reversal of 32321655645 is 54655612323.

It is a happy number.

It is not a de Polignac number, because 32321655645 - 2⁷ = 32321655517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32321655597 and 32321655606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32832 + ... + 256361.

It is an arithmetic number, because the mean of its divisors is an integer number (3232610532).

Almost surely, 2^32321655645 is an apocalyptic number.

It is an amenable number.

32321655645 is a deficient number, since it is larger than the sum of its proper divisors (19400112867).

32321655645 is a wasteful number, since it uses less digits than its factorization.

32321655645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296652.

The product of its digits is 648000, while the sum is 42.

The spelling of 32321655645 in words is "thirty-two billion, three hundred twenty-one million, six hundred fifty-five thousand, six hundred forty-five".