164761123 has 4 divisors (see below), whose sum is σ = 164839528. Its totient is φ = 164682720.

The previous prime is 164761117. The next prime is 164761133. The reversal of 164761123 is 321167461.

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

It is a cyclic number.

It is not a de Polignac number, because 164761123 - 2¹⁷ = 164630051 is a prime.

It is a super-2 number, since 2×164761123² = 54292455304442258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164761133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35961 + ... + 40282.

It is an arithmetic number, because the mean of its divisors is an integer number (41209882).

Almost surely, 2^164761123 is an apocalyptic number.

164761123 is a deficient number, since it is larger than the sum of its proper divisors (78405).

164761123 is an equidigital number, since it uses as much as digits as its factorization.

164761123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78404.

The product of its digits is 6048, while the sum is 31.

The square root of 164761123 is about 12835.9309362430. The cubic root of 164761123 is about 548.2158417247.

The spelling of 164761123 in words is "one hundred sixty-four million, seven hundred sixty-one thousand, one hundred twenty-three".