27160666406 has 4 divisors (see below), whose sum is σ = 40740999612. Its totient is φ = 13580333202.

The previous prime is 27160666381. The next prime is 27160666409. The reversal of 27160666406 is 60466606172.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27160666409) 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 as a sum of consecutive naturals, namely, 6790166600 + ... + 6790166603.

It is an arithmetic number, because the mean of its divisors is an integer number (10185249903).

Almost surely, 2^27160666406 is an apocalyptic number.

27160666406 is a deficient number, since it is larger than the sum of its proper divisors (13580333206).

27160666406 is a wasteful number, since it uses less digits than its factorization.

27160666406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13580333205.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 27160666406 in words is "twenty-seven billion, one hundred sixty million, six hundred sixty-six thousand, four hundred six".