164254314461 has 12 divisors (see below), whose sum is σ = 173392299900. Its totient is φ = 155575219968.

The previous prime is 164254314443. The next prime is 164254314509. The reversal of 164254314461 is 164413452461.

It can be written as a sum of positive squares in 2 ways, for example, as 28402360900 + 135851953561 = 168530^2 + 368581^2 .

It is a de Polignac number, because none of the positive numbers 2^k-164254314461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164254314361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1681325 + ... + 1776333.

It is an arithmetic number, because the mean of its divisors is an integer number (14449358325).

Almost surely, 2^164254314461 is an apocalyptic number.

It is an amenable number.

164254314461 is a deficient number, since it is larger than the sum of its proper divisors (9137985439).

164254314461 is an equidigital number, since it uses as much as digits as its factorization.

164254314461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99836 (or 99817 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The spelling of 164254314461 in words is "one hundred sixty-four billion, two hundred fifty-four million, three hundred fourteen thousand, four hundred sixty-one".