3661116156522 has 64 divisors (see below), whose sum is σ = 8958381235200. Its totient is φ = 1099060622640.

The previous prime is 3661116156469. The next prime is 3661116156563. The reversal of 3661116156522 is 2256516111663.

3661116156522 is a `hidden beast` number, since 3 + 6 + 6 + 1 + 1 + 1 + 61 + 565 + 22 = 666.

3661116156522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28737822 + ... + 28864937.

It is an arithmetic number, because the mean of its divisors is an integer number (139974706800).

Almost surely, 2^{3661116156522} is an apocalyptic number.

3661116156522 is an abundant number, since it is smaller than the sum of its proper divisors (5297265078678).

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

3661116156522 is a wasteful number, since it uses less digits than its factorization.

3661116156522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57602888 (or 57602882 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 3661116156522 in words is "three trillion, six hundred sixty-one billion, one hundred sixteen million, one hundred fifty-six thousand, five hundred twenty-two".