6453671157 has 12 divisors (see below), whose sum is σ = 9812599680. Its totient is φ = 4076002728.

The previous prime is 6453671153. The next prime is 6453671173. The reversal of 6453671157 is 7511763546.

6453671157 is a `hidden beast` number, since 64 + 536 + 7 + 1 + 1 + 57 = 666.

It is not a de Polignac number, because 6453671157 - 2² = 6453671153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453671153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18870213 + ... + 18870554.

It is an arithmetic number, because the mean of its divisors is an integer number (817716640).

Almost surely, 2^6453671157 is an apocalyptic number.

It is an amenable number.

6453671157 is a deficient number, since it is larger than the sum of its proper divisors (3358928523).

6453671157 is a wasteful number, since it uses less digits than its factorization.

6453671157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37740792 (or 37740789 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 6453671157 is about 80334.7443949379. The cubic root of 6453671157 is about 1861.8110811054.

The spelling of 6453671157 in words is "six billion, four hundred fifty-three million, six hundred seventy-one thousand, one hundred fifty-seven".