6157173644 has 12 divisors (see below), whose sum is σ = 10776708768. Its totient is φ = 3078114000.

The previous prime is 6157173643. The next prime is 6157173683. The reversal of 6157173644 is 4463717516.

It is a junction number, because it is equal to n+sod(n) for n = 6157173595 and 6157173604.

It is not an unprimeable number, because it can be changed into a prime (6157173643) by changing a digit.

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, 88052 + ... + 141659.

It is an arithmetic number, because the mean of its divisors is an integer number (898059064).

Almost surely, 2^6157173644 is an apocalyptic number.

It is an amenable number.

6157173644 is a deficient number, since it is larger than the sum of its proper divisors (4619535124).

6157173644 is a wasteful number, since it uses less digits than its factorization.

6157173644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236416 (or 236414 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 6157173644 is about 78467.6598606075. The cubic root of 6157173644 is about 1832.8508864166.

The spelling of 6157173644 in words is "six billion, one hundred fifty-seven million, one hundred seventy-three thousand, six hundred forty-four".