26991162 has 24 divisors (see below), whose sum is σ = 63797760. Its totient is φ = 8179080.

The previous prime is 26991127. The next prime is 26991163. The reversal of 26991162 is 26119962.

It is a super-2 number, since 2×26991162² = 1457045652220488, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (26991163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67962 + ... + 68357.

It is an arithmetic number, because the mean of its divisors is an integer number (2658240).

Almost surely, 2^26991162 is an apocalyptic number.

26991162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26991162 is an abundant number, since it is smaller than the sum of its proper divisors (36806598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26991162 is a wasteful number, since it uses less digits than its factorization.

26991162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136338 (or 136335 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 26991162 is about 5195.3019161546. The cubic root of 26991162 is about 299.9672630944.

The spelling of 26991162 in words is "twenty-six million, nine hundred ninety-one thousand, one hundred sixty-two".