164454495 has 32 divisors (see below), whose sum is σ = 269438400. Its totient is φ = 85622784.

The previous prime is 164454491. The next prime is 164454509. The reversal of 164454495 is 594454461.

It is not a de Polignac number, because 164454495 - 2² = 164454491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164454491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213471 + ... + 214239.

It is an arithmetic number, because the mean of its divisors is an integer number (8419950).

Almost surely, 2^164454495 is an apocalyptic number.

164454495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164454495 is a deficient number, since it is larger than the sum of its proper divisors (104983905).

164454495 is a wasteful number, since it uses less digits than its factorization.

164454495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099.

The product of its digits is 345600, while the sum is 42.

The square root of 164454495 is about 12823.9812460873. The cubic root of 164454495 is about 547.8755456007.

The spelling of 164454495 in words is "one hundred sixty-four million, four hundred fifty-four thousand, four hundred ninety-five".