27168604974 has 72 divisors (see below), whose sum is σ = 68500766880. Its totient is φ = 7759648512.

The previous prime is 27168604973. The next prime is 27168604997. The reversal of 27168604974 is 47940686172.

27168604974 is a `hidden beast` number, since 2 + 71 + 6 + 86 + 0 + 497 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 27168604974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27168604973) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4441342 + ... + 4447454.

It is an arithmetic number, because the mean of its divisors is an integer number (951399540).

Almost surely, 2^27168604974 is an apocalyptic number.

27168604974 is an abundant number, since it is smaller than the sum of its proper divisors (41332161906).

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

27168604974 is a wasteful number, since it uses less digits than its factorization.

27168604974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174 (or 11164 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 27168604974 in words is "twenty-seven billion, one hundred sixty-eight million, six hundred four thousand, nine hundred seventy-four".