164103155 has 4 divisors (see below), whose sum is σ = 196923792. Its totient is φ = 131282520.

The previous prime is 164103143. The next prime is 164103169. The reversal of 164103155 is 551301461.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-164103155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16410311 + ... + 16410320.

It is an arithmetic number, because the mean of its divisors is an integer number (49230948).

Almost surely, 2^164103155 is an apocalyptic number.

164103155 is a deficient number, since it is larger than the sum of its proper divisors (32820637).

164103155 is an equidigital number, since it uses as much as digits as its factorization.

164103155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32820636.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 164103155 is about 12810.2753678444. The cubic root of 164103155 is about 547.4851076341.

The spelling of 164103155 in words is "one hundred sixty-four million, one hundred three thousand, one hundred fifty-five".