164019455 has 8 divisors (see below), whose sum is σ = 198772704. Its totient is φ = 129916000.

The previous prime is 164019439. The next prime is 164019473. The reversal of 164019455 is 554910461.

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

It is not a de Polignac number, because 164019455 - 2⁴ = 164019439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161891 + ... + 162900.

It is an arithmetic number, because the mean of its divisors is an integer number (24846588).

Almost surely, 2^164019455 is an apocalyptic number.

164019455 is a deficient number, since it is larger than the sum of its proper divisors (34753249).

164019455 is a wasteful number, since it uses less digits than its factorization.

164019455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324897.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 164019455 is about 12807.0080424742. The cubic root of 164019455 is about 547.3920111169.

The spelling of 164019455 in words is "one hundred sixty-four million, nineteen thousand, four hundred fifty-five".