11116657 has 8 divisors (see below), whose sum is σ = 12177000. Its totient is φ = 10101504.

The previous prime is 11116649. The next prime is 11116667. The reversal of 11116657 is 75661111.

It can be written as a sum of positive squares in 4 ways, for example, as 6806881 + 4309776 = 2609^2 + 2076^2 .

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 11116657 - 2³ = 11116649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11116627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10782 + ... + 11767.

It is an arithmetic number, because the mean of its divisors is an integer number (1522125).

Almost surely, 2^11116657 is an apocalyptic number.

11116657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11116657 is a deficient number, since it is larger than the sum of its proper divisors (1060343).

11116657 is a wasteful number, since it uses less digits than its factorization.

11116657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22595.

The product of its digits is 1260, while the sum is 28.

The square root of 11116657 is about 3334.1651128881. The cubic root of 11116657 is about 223.1814365265.

Adding to 11116657 its reverse (75661111), we get a palindrome (86777768).

The spelling of 11116657 in words is "eleven million, one hundred sixteen thousand, six hundred fifty-seven".