66010103525 has 24 divisors (see below), whose sum is σ = 88262059200. Its totient is φ = 48808483200.

The previous prime is 66010103491. The next prime is 66010103557. The reversal of 66010103525 is 52530101066.

It is not a de Polignac number, because 66010103525 - 2³² = 61715136229 is a prime.

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, 1675265 + ... + 1714214.

It is an arithmetic number, because the mean of its divisors is an integer number (3677585800).

Almost surely, 2^66010103525 is an apocalyptic number.

It is an amenable number.

66010103525 is a deficient number, since it is larger than the sum of its proper divisors (22251955675).

66010103525 is a wasteful number, since it uses less digits than its factorization.

66010103525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389549 (or 3389544 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 66010103525 in words is "sixty-six billion, ten million, one hundred three thousand, five hundred twenty-five".