164133465 has 8 divisors (see below), whose sum is σ = 262613568. Its totient is φ = 87537840.

The previous prime is 164133461. The next prime is 164133467. The reversal of 164133465 is 564331461.

164133465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 164133465 - 2² = 164133461 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (164133461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5471101 + ... + 5471130.

It is an arithmetic number, because the mean of its divisors is an integer number (32826696).

Almost surely, 2^164133465 is an apocalyptic number.

164133465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164133465 is a deficient number, since it is larger than the sum of its proper divisors (98480103).

164133465 is a wasteful number, since it uses less digits than its factorization.

164133465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10942239.

The product of its digits is 25920, while the sum is 33.

The square root of 164133465 is about 12811.4583479009. The cubic root of 164133465 is about 547.5188125560.

The spelling of 164133465 in words is "one hundred sixty-four million, one hundred thirty-three thousand, four hundred sixty-five".