27158464618374 has 16 divisors (see below), whose sum is σ = 54347914385712. Its totient is φ = 9047657347968.

The previous prime is 27158464618349. The next prime is 27158464618409. The reversal of 27158464618374 is 47381646485172.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291036479 + ... + 1291057514.

It is an arithmetic number, because the mean of its divisors is an integer number (3396744649107).

Almost surely, 2^{27158464618374} is an apocalyptic number.

27158464618374 is an abundant number, since it is smaller than the sum of its proper divisors (27189449767338).

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

27158464618374 is a wasteful number, since it uses less digits than its factorization.

27158464618374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582095751.

The product of its digits is 216760320, while the sum is 66.

The spelling of 27158464618374 in words is "twenty-seven trillion, one hundred fifty-eight billion, four hundred sixty-four million, six hundred eighteen thousand, three hundred seventy-four".