11165642 has 16 divisors (see below), whose sum is σ = 17532672. Its totient is φ = 5326560.

The previous prime is 11165639. The next prime is 11165657. The reversal of 11165642 is 24656111.

It is a super-2 number, since 2×11165642² = 249343122544328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (1095792).

Almost surely, 2^11165642 is an apocalyptic number.

11165642 is a deficient number, since it is larger than the sum of its proper divisors (6367030).

11165642 is a wasteful number, since it uses less digits than its factorization.

11165642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573.

The product of its digits is 1440, while the sum is 26.

The square root of 11165642 is about 3341.5029552583. The cubic root of 11165642 is about 223.5087688639.

The spelling of 11165642 in words is "eleven million, one hundred sixty-five thousand, six hundred forty-two".