16606651525 has 12 divisors (see below), whose sum is σ = 20595190752. Its totient is φ = 13283422640.

The previous prime is 16606651511. The next prime is 16606651531. The reversal of 16606651525 is 52515660661.

It is not a de Polignac number, because 16606651525 - 2¹⁵ = 16606618757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146514 + ... + 233836.

It is an arithmetic number, because the mean of its divisors is an integer number (1716265896).

Almost surely, 2^16606651525 is an apocalyptic number.

It is an amenable number.

16606651525 is a deficient number, since it is larger than the sum of its proper divisors (3988539227).

16606651525 is an equidigital number, since it uses as much as digits as its factorization.

16606651525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94940 (or 94935 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 16606651525 in words is "sixteen billion, six hundred six million, six hundred fifty-one thousand, five hundred twenty-five".