3415631221566 has 48 divisors (see below), whose sum is σ = 7760860052400. Its totient is φ = 1125751099968.

The previous prime is 3415631221553. The next prime is 3415631221571. The reversal of 3415631221566 is 6651221365143.

It is a happy number.

3415631221566 is a `hidden beast` number, since 3 + 4 + 1 + 5 + 63 + 1 + 2 + 21 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39440161 + ... + 39526668.

It is an arithmetic number, because the mean of its divisors is an integer number (161684584425).

Almost surely, 2^{3415631221566} is an apocalyptic number.

3415631221566 is an abundant number, since it is smaller than the sum of its proper divisors (4345228830834).

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

3415631221566 is an equidigital number, since it uses as much as digits as its factorization.

3415631221566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78966935 (or 78966923 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 3415631221566 in words is "three trillion, four hundred fifteen billion, six hundred thirty-one million, two hundred twenty-one thousand, five hundred sixty-six".