164735298825 has 24 divisors (see below), whose sum is σ = 272458716288. Its totient is φ = 87827743680.

The previous prime is 164735298787. The next prime is 164735298857. The reversal of 164735298825 is 528892537461.

It is not a de Polignac number, because 164735298825 - 2⁷ = 164735298697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174337 + ... + 599886.

It is an arithmetic number, because the mean of its divisors is an integer number (11352446512).

Almost surely, 2^164735298825 is an apocalyptic number.

164735298825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164735298825 is a deficient number, since it is larger than the sum of its proper divisors (107723417463).

164735298825 is a wasteful number, since it uses less digits than its factorization.

164735298825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777073 (or 777068 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The spelling of 164735298825 in words is "one hundred sixty-four billion, seven hundred thirty-five million, two hundred ninety-eight thousand, eight hundred twenty-five".