164662005 has 16 divisors (see below), whose sum is σ = 264011904. Its totient is φ = 87635520.

The previous prime is 164661943. The next prime is 164662013. The reversal of 164662005 is 500266461.

164662005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164662005 - 2⁹ = 164661493 is a prime.

It is a super-2 number, since 2×164662005² = 54227151781240050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3966 + ... + 18575.

It is an arithmetic number, because the mean of its divisors is an integer number (16500744).

Almost surely, 2^164662005 is an apocalyptic number.

164662005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164662005 is a deficient number, since it is larger than the sum of its proper divisors (99349899).

164662005 is a wasteful number, since it uses less digits than its factorization.

164662005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23036.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 164662005 is about 12832.0693966328. The cubic root of 164662005 is about 548.1058866641.

The spelling of 164662005 in words is "one hundred sixty-four million, six hundred sixty-two thousand, five".