1636364636361 has 128 divisors (see below), whose sum is σ = 3070295424000. Its totient is φ = 838173173760.

The previous prime is 1636364636339. The next prime is 1636364636371.

1636364636361 is a `hidden beast` number, since 1 + 6 + 3 + 63 + 6 + 463 + 63 + 61 = 666.

1636364636361 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1636364636361 - 2⁶ = 1636364636297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1636364636298 and 1636364636307.

It is not an unprimeable number, because it can be changed into a prime (1636364636371) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47346315 + ... + 47380863.

It is an arithmetic number, because the mean of its divisors is an integer number (23986683000).

Almost surely, 2^{1636364636361} is an apocalyptic number.

It is an amenable number.

1636364636361 is a deficient number, since it is larger than the sum of its proper divisors (1433930787639).

1636364636361 is a wasteful number, since it uses less digits than its factorization.

1636364636361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35136 (or 35130 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 54.

The spelling of 1636364636361 in words is "one trillion, six hundred thirty-six billion, three hundred sixty-four million, six hundred thirty-six thousand, three hundred sixty-one".