27520166852860 has 48 divisors (see below), whose sum is σ = 63048068788320. Its totient is φ = 10007036835840.

The previous prime is 27520166852851. The next prime is 27520166852863. The reversal of 27520166852860 is 6825866102572.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27520166852795 and 27520166852804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27520166852863) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5656036 + ... + 9329044.

It is an arithmetic number, because the mean of its divisors is an integer number (1313501433090).

Almost surely, 2^{27520166852860} is an apocalyptic number.

27520166852860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27520166852860 is an abundant number, since it is smaller than the sum of its proper divisors (35527901935460).

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

27520166852860 is a wasteful number, since it uses less digits than its factorization.

27520166852860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707086 (or 3707084 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 27520166852860 in words is "twenty-seven trillion, five hundred twenty billion, one hundred sixty-six million, eight hundred fifty-two thousand, eight hundred sixty".