3551866080000 has 2880 divisors, whose sum is σ = 15447695155200. Its totient is φ = 705576960000.

The previous prime is 3551866079963. The next prime is 3551866080031. The reversal of 3551866080000 is 806681553.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 319 ways as a sum of consecutive naturals, for example, 60201119971 + ... + 60201120029.

It is an arithmetic number, because the mean of its divisors is an integer number (5363783040).

Almost surely, 2^{3551866080000} is an apocalyptic number.

3551866080000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551866080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7723847577600).

3551866080000 is an abundant number, since it is smaller than the sum of its proper divisors (11895829075200).

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

3551866080000 is a wasteful number, since it uses less digits than its factorization.

3551866080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 3551866080000 in words is "three trillion, five hundred fifty-one billion, eight hundred sixty-six million, eighty thousand".