3645452122416 has 60 divisors (see below), whose sum is σ = 10986987652368. Its totient is φ = 1121677575552.

The previous prime is 3645452122399. The next prime is 3645452122427. The reversal of 3645452122416 is 6142212545463.

It is a happy number.

3645452122416 is a `hidden beast` number, since 3 + 64 + 5 + 4 + 52 + 122 + 416 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973676580 + ... + 973680323.

Almost surely, 2^{3645452122416} is an apocalyptic number.

3645452122416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3645452122416 is an abundant number, since it is smaller than the sum of its proper divisors (7341535529952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645452122416 is a wasteful number, since it uses less digits than its factorization.

3645452122416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947356930 (or 1947356921 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

Adding to 3645452122416 its reverse (6142212545463), we get a palindrome (9787664667879).

The spelling of 3645452122416 in words is "three trillion, six hundred forty-five billion, four hundred fifty-two million, one hundred twenty-two thousand, four hundred sixteen".