32660451427 has 4 divisors (see below), whose sum is σ = 33786673920. Its totient is φ = 31534228936.

The previous prime is 32660451401. The next prime is 32660451433. The reversal of 32660451427 is 72415406623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32660451427 - 2¹¹ = 32660449379 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32660451427.

It is not an unprimeable number, because it can be changed into a prime (32660451227) 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, 563111203 + ... + 563111260.

It is an arithmetic number, because the mean of its divisors is an integer number (8446668480).

Almost surely, 2^32660451427 is an apocalyptic number.

32660451427 is a deficient number, since it is larger than the sum of its proper divisors (1126222493).

32660451427 is a wasteful number, since it uses less digits than its factorization.

32660451427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126222492.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 32660451427 in words is "thirty-two billion, six hundred sixty million, four hundred fifty-one thousand, four hundred twenty-seven".