1160640172 has 6 divisors (see below), whose sum is σ = 2031120308. Its totient is φ = 580320084.

The previous prime is 1160640157. The next prime is 1160640193. The reversal of 1160640172 is 2710460611.

It is a self number, because there is not a number n which added to its sum of digits gives 1160640172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145080018 + ... + 145080025.

Almost surely, 2^1160640172 is an apocalyptic number.

It is an amenable number.

1160640172 is a deficient number, since it is larger than the sum of its proper divisors (870480136).

1160640172 is a wasteful number, since it uses less digits than its factorization.

1160640172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290160047 (or 290160045 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1160640172 is about 34068.1694841387. The cubic root of 1160640172 is about 1050.9108263008.

The spelling of 1160640172 in words is "one billion, one hundred sixty million, six hundred forty thousand, one hundred seventy-two".