36203397666 has 16 divisors (see below), whose sum is σ = 72491294304. Its totient is φ = 12053716064.

The previous prime is 36203397623. The next prime is 36203397689. The reversal of 36203397666 is 66679330263.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515220 + ... + 3525503.

It is an arithmetic number, because the mean of its divisors is an integer number (4530705894).

Almost surely, 2^36203397666 is an apocalyptic number.

36203397666 is an abundant number, since it is smaller than the sum of its proper divisors (36287896638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36203397666 is a wasteful number, since it uses less digits than its factorization.

36203397666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041585.

The product of its (nonzero) digits is 4408992, while the sum is 51.

The spelling of 36203397666 in words is "thirty-six billion, two hundred three million, three hundred ninety-seven thousand, six hundred sixty-six".