6764151157 has 4 divisors (see below), whose sum is σ = 6783644736. Its totient is φ = 6744657580.

The previous prime is 6764151089. The next prime is 6764151161. The reversal of 6764151157 is 7511514676.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-6764151157 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 (6764151257) 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, 9746269 + ... + 9746962.

It is an arithmetic number, because the mean of its divisors is an integer number (1695911184).

Almost surely, 2^6764151157 is an apocalyptic number.

It is an amenable number.

6764151157 is a deficient number, since it is larger than the sum of its proper divisors (19493579).

6764151157 is a wasteful number, since it uses less digits than its factorization.

6764151157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493578.

The product of its digits is 176400, while the sum is 43.

The square root of 6764151157 is about 82244.4597343797. The cubic root of 6764151157 is about 1891.2013448816.

The spelling of 6764151157 in words is "six billion, seven hundred sixty-four million, one hundred fifty-one thousand, one hundred fifty-seven".