3551613064566 has 16 divisors (see below), whose sum is σ = 8117972719104. Its totient is φ = 1014746589864.

The previous prime is 3551613064507. The next prime is 3551613064579. The reversal of 3551613064566 is 6654603161553.

It is a super-2 number, since 2×3551613064566² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 42281107870 + ... + 42281107953.

It is an arithmetic number, because the mean of its divisors is an integer number (507373294944).

Almost surely, 2^{3551613064566} is an apocalyptic number.

3551613064566 is an abundant number, since it is smaller than the sum of its proper divisors (4566359654538).

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

3551613064566 is a wasteful number, since it uses less digits than its factorization.

3551613064566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84562215835.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 3551613064566 in words is "three trillion, five hundred fifty-one billion, six hundred thirteen million, sixty-four thousand, five hundred sixty-six".