164114012765 has 4 divisors (see below), whose sum is σ = 196936815324. Its totient is φ = 131291210208.

The previous prime is 164114012749. The next prime is 164114012809. The reversal of 164114012765 is 567210411461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567210411461 = 115337 ⋅4917853.

It can be written as a sum of positive squares in 2 ways, for example, as 18835641049 + 145278371716 = 137243^2 + 381154^2 .

It is a cyclic number.

It is not a de Polignac number, because 164114012765 - 2⁴ = 164114012749 is a prime.

It is a Duffinian number.

It is a congruent 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, 16411401272 + ... + 16411401281.

It is an arithmetic number, because the mean of its divisors is an integer number (49234203831).

Almost surely, 2^164114012765 is an apocalyptic number.

It is an amenable number.

164114012765 is a deficient number, since it is larger than the sum of its proper divisors (32822802559).

164114012765 is an equidigital number, since it uses as much as digits as its factorization.

164114012765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32822802558.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 164114012765 in words is "one hundred sixty-four billion, one hundred fourteen million, twelve thousand, seven hundred sixty-five".