636045266016455 has 8 divisors (see below), whose sum is σ = 803425599178800. Its totient is φ = 482055359507136.

The previous prime is 636045266016449. The next prime is 636045266016463. The reversal of 636045266016455 is 554610662540636.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 636045266016455 - 2²² = 636045261822151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 636045266016394 and 636045266016403.

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, 3347606663150 + ... + 3347606663339.

It is an arithmetic number, because the mean of its divisors is an integer number (100428199897350).

Almost surely, 2^{636045266016455} is an apocalyptic number.

636045266016455 is a deficient number, since it is larger than the sum of its proper divisors (167380333162345).

636045266016455 is a wasteful number, since it uses less digits than its factorization.

636045266016455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695213326513.

The product of its (nonzero) digits is 93312000, while the sum is 59.

The spelling of 636045266016455 in words is "six hundred thirty-six trillion, forty-five billion, two hundred sixty-six million, sixteen thousand, four hundred fifty-five".