1116657538 has 4 divisors (see below), whose sum is σ = 1674986310. Its totient is φ = 558328768.

The previous prime is 1116657523. The next prime is 1116657539. The reversal of 1116657538 is 8357566111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1059307209 + 57350329 = 32547^2 + 7573^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1116657494 and 1116657503.

It is not an unprimeable number, because it can be changed into a prime (1116657539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279164383 + ... + 279164386.

Almost surely, 2^1116657538 is an apocalyptic number.

1116657538 is a deficient number, since it is larger than the sum of its proper divisors (558328772).

1116657538 is an equidigital number, since it uses as much as digits as its factorization.

1116657538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558328771.

The product of its digits is 151200, while the sum is 43.

The square root of 1116657538 is about 33416.4261703732. The cubic root of 1116657538 is about 1037.4647127496.

The spelling of 1116657538 in words is "one billion, one hundred sixteen million, six hundred fifty-seven thousand, five hundred thirty-eight".