200401646231566 has 8 divisors (see below), whose sum is σ = 323725736220264. Its totient is φ = 92493067491480.

The previous prime is 200401646231531. The next prime is 200401646231639. The reversal of 200401646231566 is 665132646104002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853877812120 + ... + 3853877812171.

It is an arithmetic number, because the mean of its divisors is an integer number (40465717027533).

Almost surely, 2^{200401646231566} is an apocalyptic number.

200401646231566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

200401646231566 is a deficient number, since it is larger than the sum of its proper divisors (123324089988698).

200401646231566 is a wasteful number, since it uses less digits than its factorization.

200401646231566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707755624306.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 200401646231566 in words is "two hundred trillion, four hundred one billion, six hundred forty-six million, two hundred thirty-one thousand, five hundred sixty-six".