164691105 has 16 divisors (see below), whose sum is σ = 266117184. Its totient is φ = 86964800.

The previous prime is 164691097. The next prime is 164691113. The reversal of 164691105 is 501196461.

164691105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164691097) and next prime (164691113).

It is not a de Polignac number, because 164691105 - 2³ = 164691097 is a prime.

It is a super-2 number, since 2×164691105² = 54246320132242050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52839 + ... + 55868.

It is an arithmetic number, because the mean of its divisors is an integer number (16632324).

Almost surely, 2^164691105 is an apocalyptic number.

164691105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164691105 is a deficient number, since it is larger than the sum of its proper divisors (101426079).

164691105 is a wasteful number, since it uses less digits than its factorization.

164691105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108816.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 164691105 is about 12833.2032244487. The cubic root of 164691105 is about 548.1381728854.

The spelling of 164691105 in words is "one hundred sixty-four million, six hundred ninety-one thousand, one hundred five".