164371465 has 8 divisors (see below), whose sum is σ = 197373960. Its totient is φ = 131411712.

The previous prime is 164371439. The next prime is 164371483. The reversal of 164371465 is 564173461.

It can be written as a sum of positive squares in 4 ways, for example, as 2903616 + 161467849 = 1704^2 + 12707^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 164371465 - 2⁵ = 164371433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (24671745).

Almost surely, 2^164371465 is an apocalyptic number.

It is an amenable number.

164371465 is a deficient number, since it is larger than the sum of its proper divisors (33002495).

164371465 is a wasteful number, since it uses less digits than its factorization.

164371465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371.

The product of its digits is 60480, while the sum is 37.

The square root of 164371465 is about 12820.7435431803. The cubic root of 164371465 is about 547.7833260388.

It can be divided in two parts, 164371 and 465, that added together give a square (164836 = 406²).

The spelling of 164371465 in words is "one hundred sixty-four million, three hundred seventy-one thousand, four hundred sixty-five".