32551980157 has 4 divisors (see below), whose sum is σ = 32568041376. Its totient is φ = 32535918940.

The previous prime is 32551980151. The next prime is 32551980161. The reversal of 32551980157 is 75108915523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75108915523 = 19 ⋅3953100817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32551980157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32551980151) 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, 8027569 + ... + 8031622.

It is an arithmetic number, because the mean of its divisors is an integer number (8142010344).

Almost surely, 2^32551980157 is an apocalyptic number.

It is an amenable number.

32551980157 is a deficient number, since it is larger than the sum of its proper divisors (16061219).

32551980157 is a wasteful number, since it uses less digits than its factorization.

32551980157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16061218.

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 32551980157 in words is "thirty-two billion, five hundred fifty-one million, nine hundred eighty thousand, one hundred fifty-seven".