1116439657 has 12 divisors (see below), whose sum is σ = 1187294256. Its totient is φ = 1049599040.

The previous prime is 1116439633. The next prime is 1116439699. The reversal of 1116439657 is 7569346111.

It is a de Polignac number, because none of the positive numbers 2^k-1116439657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116439607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369282 + ... + 372292.

It is an arithmetic number, because the mean of its divisors is an integer number (98941188).

Almost surely, 2^1116439657 is an apocalyptic number.

1116439657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1116439657 is a deficient number, since it is larger than the sum of its proper divisors (70854599).

1116439657 is a wasteful number, since it uses less digits than its factorization.

1116439657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328 (or 4311 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 1116439657 is about 33413.1659230310. The cubic root of 1116439657 is about 1037.3972320330.

The spelling of 1116439657 in words is "one billion, one hundred sixteen million, four hundred thirty-nine thousand, six hundred fifty-seven".