11616291 has 20 divisors (see below), whose sum is σ = 17644704. Its totient is φ = 7614000.

The previous prime is 11616263. The next prime is 11616307. The reversal of 11616291 is 19261611.

It is not a de Polignac number, because 11616291 - 2¹⁷ = 11485219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11616251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3766 + ... + 6116.

Almost surely, 2^11616291 is an apocalyptic number.

11616291 is a deficient number, since it is larger than the sum of its proper divisors (6028413).

11616291 is an equidigital number, since it uses as much as digits as its factorization.

11616291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424 (or 2415 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 11616291 is about 3408.2680352343. The cubic root of 11616291 is about 226.4761608172.

The spelling of 11616291 in words is "eleven million, six hundred sixteen thousand, two hundred ninety-one".