1913728167 has 16 divisors (see below), whose sum is σ = 3053242080. Its totient is φ = 1177678656.

The previous prime is 1913728147. The next prime is 1913728181. The reversal of 1913728167 is 7618273191.

It is not a de Polignac number, because 1913728167 - 2²⁶ = 1846619303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913728147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2725758 + ... + 2726459.

It is an arithmetic number, because the mean of its divisors is an integer number (190827630).

Almost surely, 2^1913728167 is an apocalyptic number.

1913728167 is a deficient number, since it is larger than the sum of its proper divisors (1139513913).

1913728167 is a wasteful number, since it uses less digits than its factorization.

1913728167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452239 (or 5452233 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1913728167 is about 43746.1788845609. The cubic root of 1913728167 is about 1241.5381897627.

The spelling of 1913728167 in words is "one billion, nine hundred thirteen million, seven hundred twenty-eight thousand, one hundred sixty-seven".