1146172657 has 8 divisors (see below), whose sum is σ = 1386965376. Its totient is φ = 924643392.

The previous prime is 1146172637. The next prime is 1146172711. The reversal of 1146172657 is 7562716411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1146172657 - 2²⁷ = 1011954929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146172607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4815733 + ... + 4815970.

It is an arithmetic number, because the mean of its divisors is an integer number (173370672).

Almost surely, 2^1146172657 is an apocalyptic number.

1146172657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1146172657 is a deficient number, since it is larger than the sum of its proper divisors (240792719).

1146172657 is an equidigital number, since it uses as much as digits as its factorization.

1146172657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9631727.

The product of its digits is 70560, while the sum is 40.

The square root of 1146172657 is about 33855.1717910277. The cubic root of 1146172657 is about 1046.5259810075.

The spelling of 1146172657 in words is "one billion, one hundred forty-six million, one hundred seventy-two thousand, six hundred fifty-seven".