6155857194 has 16 divisors (see below), whose sum is σ = 12485119680. Its totient is φ = 2023051520.

The previous prime is 6155857193. The next prime is 6155857237. The reversal of 6155857194 is 4917585516.

It is not an unprimeable number, because it can be changed into a prime (6155857193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7224759 + ... + 7225610.

It is an arithmetic number, because the mean of its divisors is an integer number (780319980).

Almost surely, 2^6155857194 is an apocalyptic number.

6155857194 is an abundant number, since it is smaller than the sum of its proper divisors (6329262486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6155857194 is a wasteful number, since it uses less digits than its factorization.

6155857194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14450445.

The product of its digits is 1512000, while the sum is 51.

The square root of 6155857194 is about 78459.2709244739. The cubic root of 6155857194 is about 1832.7202513410.

The spelling of 6155857194 in words is "six billion, one hundred fifty-five million, eight hundred fifty-seven thousand, one hundred ninety-four".