16665252536 has 8 divisors (see below), whose sum is σ = 31247348520. Its totient is φ = 8332626264.

The previous prime is 16665252511. The next prime is 16665252599. The reversal of 16665252536 is 63525256661.

16665252536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041578276 + ... + 1041578291.

It is an arithmetic number, because the mean of its divisors is an integer number (3905918565).

Almost surely, 2^16665252536 is an apocalyptic number.

It is an amenable number.

16665252536 is a deficient number, since it is larger than the sum of its proper divisors (14582095984).

16665252536 is a wasteful number, since it uses less digits than its factorization.

16665252536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083156573 (or 2083156569 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 47.

The spelling of 16665252536 in words is "sixteen billion, six hundred sixty-five million, two hundred fifty-two thousand, five hundred thirty-six".