27220897382164 has 24 divisors (see below), whose sum is σ = 47900259644328. Its totient is φ = 13535110494720.

The previous prime is 27220897382149. The next prime is 27220897382197. The reversal of 27220897382164 is 46128379802272.

It can be written as a sum of positive squares in 4 ways, for example, as 6636909488400 + 20583987893764 = 2576220^2 + 4536958^2 .

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115079664 + ... + 115315960.

It is an arithmetic number, because the mean of its divisors is an integer number (1995844151847).

Almost surely, 2^{27220897382164} is an apocalyptic number.

It is an amenable number.

27220897382164 is a deficient number, since it is larger than the sum of its proper divisors (20679362262164).

27220897382164 is a wasteful number, since it uses less digits than its factorization.

27220897382164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395595 (or 395593 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 27220897382164 in words is "twenty-seven trillion, two hundred twenty billion, eight hundred ninety-seven million, three hundred eighty-two thousand, one hundred sixty-four".