6154394172 has 12 divisors (see below), whose sum is σ = 14360253096. Its totient is φ = 2051464720.

The previous prime is 6154394161. The next prime is 6154394173. The reversal of 6154394172 is 2714934516.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6154394173) 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, 256433079 + ... + 256433102.

It is an arithmetic number, because the mean of its divisors is an integer number (1196687758).

Almost surely, 2^6154394172 is an apocalyptic number.

It is an amenable number.

6154394172 is an abundant number, since it is smaller than the sum of its proper divisors (8205858924).

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

6154394172 is a wasteful number, since it uses less digits than its factorization.

6154394172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512866188 (or 512866186 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 6154394172 is about 78449.9469215882. The cubic root of 6154394172 is about 1832.5750496571.

The spelling of 6154394172 in words is "six billion, one hundred fifty-four million, three hundred ninety-four thousand, one hundred seventy-two".