164240014525 has 24 divisors (see below), whose sum is σ = 215671256424. Its totient is φ = 123643699200.

The previous prime is 164240014493. The next prime is 164240014571. The reversal of 164240014525 is 525410042461.

It can be written as a sum of positive squares in 12 ways, for example, as 9849173049 + 154390841476 = 99243^2 + 392926^2 .

It is not a de Polignac number, because 164240014525 - 2⁵ = 164240014493 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 23 ways as a sum of consecutive naturals, for example, 3055885 + ... + 3109165.

It is an arithmetic number, because the mean of its divisors is an integer number (8986302351).

Almost surely, 2^164240014525 is an apocalyptic number.

It is an amenable number.

164240014525 is a deficient number, since it is larger than the sum of its proper divisors (51431241899).

164240014525 is a wasteful number, since it uses less digits than its factorization.

164240014525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60561 (or 60556 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 164240014525 its reverse (525410042461), we get a palindrome (689650056986).

The spelling of 164240014525 in words is "one hundred sixty-four billion, two hundred forty million, fourteen thousand, five hundred twenty-five".