27160491 has 16 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 17590080.

The previous prime is 27160489. The next prime is 27160517. The reversal of 27160491 is 19406172.

It is a happy number.

It is not a de Polignac number, because 27160491 - 2¹ = 27160489 is a prime.

It is a super-2 number, since 2×27160491² = 1475384542722162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27160421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53746 + ... + 54248.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^27160491 is an apocalyptic number.

27160491 is a deficient number, since it is larger than the sum of its proper divisors (10095189).

27160491 is a wasteful number, since it uses less digits than its factorization.

27160491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 27160491 is about 5211.5727952318. The cubic root of 27160491 is about 300.5932372365.

The spelling of 27160491 in words is "twenty-seven million, one hundred sixty thousand, four hundred ninety-one".