164514970705 has 4 divisors (see below), whose sum is σ = 197417964852. Its totient is φ = 131611976560.

The previous prime is 164514970691. The next prime is 164514970727. The reversal of 164514970705 is 507079415461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105681557569 + 58833413136 = 325087^2 + 242556^2 .

It is not a de Polignac number, because 164514970705 - 2¹⁷ = 164514839633 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16451497066 + ... + 16451497075.

It is an arithmetic number, because the mean of its divisors is an integer number (49354491213).

Almost surely, 2^164514970705 is an apocalyptic number.

It is an amenable number.

164514970705 is a deficient number, since it is larger than the sum of its proper divisors (32902994147).

164514970705 is an equidigital number, since it uses as much as digits as its factorization.

164514970705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32902994146.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 164514970705 in words is "one hundred sixty-four billion, five hundred fourteen million, nine hundred seventy thousand, seven hundred five".