1116657540 has 72 divisors (see below), whose sum is σ = 3465990528. Its totient is φ = 290848320.

The previous prime is 1116657539. The next prime is 1116657551. The reversal of 1116657540 is 457566111.

It is a happy number.

1116657540 is a `hidden beast` number, since 1 + 1 + 1 + 66 + 57 + 540 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1116657495 and 1116657504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64396 + ... + 79875.

Almost surely, 2^1116657540 is an apocalyptic number.

1116657540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116657540 is an abundant number, since it is smaller than the sum of its proper divisors (2349332988).

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

1116657540 is a wasteful number, since it uses less digits than its factorization.

1116657540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144329 (or 144324 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1116657540 is about 33416.4262002986. The cubic root of 1116657540 is about 1037.4647133690.

The spelling of 1116657540 in words is "one billion, one hundred sixteen million, six hundred fifty-seven thousand, five hundred forty".