18920162658795 has 64 divisors (see below), whose sum is σ = 33013608566400. Its totient is φ = 9214020476928.

The previous prime is 18920162658773. The next prime is 18920162658811. The reversal of 18920162658795 is 59785626102981.

It is not a de Polignac number, because 18920162658795 - 2⁵ = 18920162658763 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 419869 + ... + 6165761.

It is an arithmetic number, because the mean of its divisors is an integer number (515837633850).

Almost surely, 2^{18920162658795} is an apocalyptic number.

18920162658795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18920162658795 is a deficient number, since it is larger than the sum of its proper divisors (14093445907605).

18920162658795 is a wasteful number, since it uses less digits than its factorization.

18920162658795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746304.

The product of its (nonzero) digits is 130636800, while the sum is 69.

The spelling of 18920162658795 in words is "eighteen trillion, nine hundred twenty billion, one hundred sixty-two million, six hundred fifty-eight thousand, seven hundred ninety-five".