6157691888 has 20 divisors (see below), whose sum is σ = 11932764528. Its totient is φ = 3078268800.

The previous prime is 6157691879. The next prime is 6157691921. The reversal of 6157691888 is 8881967516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59645 + ... + 125987.

Almost surely, 2^6157691888 is an apocalyptic number.

It is an amenable number.

6157691888 is a deficient number, since it is larger than the sum of its proper divisors (5775072640).

6157691888 is a wasteful number, since it uses less digits than its factorization.

6157691888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72152 (or 72146 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 59.

The square root of 6157691888 is about 78470.9620687806. The cubic root of 6157691888 is about 1832.9023081338.

The spelling of 6157691888 in words is "six billion, one hundred fifty-seven million, six hundred ninety-one thousand, eight hundred eighty-eight".