1318171472 has 80 divisors (see below), whose sum is σ = 2687536320. Its totient is φ = 625729536.

The previous prime is 1318171457. The next prime is 1318171499. The reversal of 1318171472 is 2741718131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6829808 + ... + 6830000.

It is an arithmetic number, because the mean of its divisors is an integer number (33594204).

Almost surely, 2^1318171472 is an apocalyptic number.

It is an amenable number.

1318171472 is an abundant number, since it is smaller than the sum of its proper divisors (1369364848).

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

1318171472 is a wasteful number, since it uses less digits than its factorization.

1318171472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its digits is 9408, while the sum is 35.

The square root of 1318171472 is about 36306.6312400366. The cubic root of 1318171472 is about 1096.4545550893.

The spelling of 1318171472 in words is "one billion, three hundred eighteen million, one hundred seventy-one thousand, four hundred seventy-two".