102016660610125 has 8 divisors (see below), whose sum is σ = 127316792441592. Its totient is φ = 81613328488000.

The previous prime is 102016660610099. The next prime is 102016660610141. The reversal of 102016660610125 is 521016066610201.

It can be written as a sum of positive squares in 4 ways, for example, as 26643374005284 + 75373286604841 = 5161722^2 + 8681779^2 .

It is not a de Polignac number, because 102016660610125 - 2¹⁷ = 102016660479053 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 7 ways as a sum of consecutive naturals, for example, 408066642316 + ... + 408066642565.

It is an arithmetic number, because the mean of its divisors is an integer number (15914599055199).

Almost surely, 2^{102016660610125} is an apocalyptic number.

It is an amenable number.

102016660610125 is a deficient number, since it is larger than the sum of its proper divisors (25300131831467).

102016660610125 is an frugal number, since it uses more digits than its factorization.

102016660610125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816133284896 (or 816133284886 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 102016660610125 in words is "one hundred two trillion, sixteen billion, six hundred sixty million, six hundred ten thousand, one hundred twenty-five".