201256361366 has 16 divisors (see below), whose sum is σ = 310145618400. Its totient is φ = 97876278720.

The previous prime is 201256361333. The next prime is 201256361417. The reversal of 201256361366 is 663163652102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220370 + ... + 671621.

It is an arithmetic number, because the mean of its divisors is an integer number (19384101150).

Almost surely, 2^201256361366 is an apocalyptic number.

201256361366 is a deficient number, since it is larger than the sum of its proper divisors (108889257034).

201256361366 is a wasteful number, since it uses less digits than its factorization.

201256361366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895079.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 201256361366 in words is "two hundred one billion, two hundred fifty-six million, three hundred sixty-one thousand, three hundred sixty-six".