162904209855 has 8 divisors (see below), whose sum is σ = 260646735792. Its totient is φ = 86882245248.

The previous prime is 162904209833. The next prime is 162904209883. The reversal of 162904209855 is 558902409261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162904209855 - 2⁵ = 162904209823 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 162904209798 and 162904209807.

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, 5430140314 + ... + 5430140343.

It is an arithmetic number, because the mean of its divisors is an integer number (32580841974).

Almost surely, 2^162904209855 is an apocalyptic number.

162904209855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162904209855 is a deficient number, since it is larger than the sum of its proper divisors (97742525937).

162904209855 is a wasteful number, since it uses less digits than its factorization.

162904209855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860280665.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 162904209855 in words is "one hundred sixty-two billion, nine hundred four million, two hundred nine thousand, eight hundred fifty-five".