200656621063465 has 16 divisors (see below), whose sum is σ = 275210977347072. Its totient is φ = 137580734499264.

The previous prime is 200656621063439. The next prime is 200656621063471. The reversal of 200656621063465 is 564360126656002.

It is not a de Polignac number, because 200656621063465 - 2¹³ = 200656621055273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257461329 + ... + 258239518.

It is an arithmetic number, because the mean of its divisors is an integer number (17200686084192).

Almost surely, 2^{200656621063465} is an apocalyptic number.

It is an amenable number.

200656621063465 is a deficient number, since it is larger than the sum of its proper divisors (74554356283607).

200656621063465 is a wasteful number, since it uses less digits than its factorization.

200656621063465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515711976.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 200656621063465 in words is "two hundred trillion, six hundred fifty-six billion, six hundred twenty-one million, sixty-three thousand, four hundred sixty-five".