101664135325 has 6 divisors (see below), whose sum is σ = 126063527834. Its totient is φ = 81331308240.

The previous prime is 101664135319. The next prime is 101664135367. The reversal of 101664135325 is 523531466101.

It can be written as a sum of positive squares in 3 ways, for example, as 4851679716 + 96812455609 = 69654^2 + 311147^2 .

It is not a de Polignac number, because 101664135325 - 2¹⁹ = 101663611037 is a prime.

It is a super-3 number, since 3×101664135325³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 5 ways as a sum of consecutive naturals, for example, 2033282682 + ... + 2033282731.

Almost surely, 2^101664135325 is an apocalyptic number.

It is an amenable number.

101664135325 is a deficient number, since it is larger than the sum of its proper divisors (24399392509).

101664135325 is an equidigital number, since it uses as much as digits as its factorization.

101664135325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066565423 (or 4066565418 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 101664135325 in words is "one hundred one billion, six hundred sixty-four million, one hundred thirty-five thousand, three hundred twenty-five".