32165453221157 has 4 divisors (see below), whose sum is σ = 32849824566336. Its totient is φ = 31481081875980.

The previous prime is 32165453221133. The next prime is 32165453221193. The reversal of 32165453221157 is 75112235456123.

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.

It is a cyclic number.

It is not a de Polignac number, because 32165453221157 - 2¹⁰ = 32165453220133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 684371345131 = 32165453221157 / (3 + 2 + 1 + 6 + 5 + 4 + 5 + 3 + 2 + 2 + 1 + 1 + 5 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32165453221117) 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, 342185672519 + ... + 342185672612.

It is an arithmetic number, because the mean of its divisors is an integer number (8212456141584).

Almost surely, 2^{32165453221157} is an apocalyptic number.

It is an amenable number.

32165453221157 is a deficient number, since it is larger than the sum of its proper divisors (684371345179).

32165453221157 is an equidigital number, since it uses as much as digits as its factorization.

32165453221157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684371345178.

The product of its digits is 1512000, while the sum is 47.

The spelling of 32165453221157 in words is "thirty-two trillion, one hundred sixty-five billion, four hundred fifty-three million, two hundred twenty-one thousand, one hundred fifty-seven".