27166400 has 42 divisors (see below), whose sum is σ = 66850260. Its totient is φ = 10865920.

The previous prime is 27166393. The next prime is 27166421. The reversal of 27166400 is 466172.

It is a self number, because there is not a number n which added to its sum of digits gives 27166400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6890 + ... + 10089.

Almost surely, 2^27166400 is an apocalyptic number.

27166400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27166400 is an abundant number, since it is smaller than the sum of its proper divisors (39683860).

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

27166400 is a wasteful number, since it uses less digits than its factorization.

27166400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001 (or 16986 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 27166400 is about 5212.1396757953. The cubic root of 27166400 is about 300.6150345430.

The spelling of 27166400 in words is "twenty-seven million, one hundred sixty-six thousand, four hundred".