3555551616000 has 352 divisors, whose sum is σ = 11871409792320. Its totient is φ = 944594944000.

The previous prime is 3555551615947. The next prime is 3555551616049. The reversal of 3555551616000 is 6161555553.

It is a happy number.

It is a super-2 number, since 2×3555551616000² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 103278790 + ... + 103313210.

Almost surely, 2^{3555551616000} is an apocalyptic number.

3555551616000 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 3555551616000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5935704896160).

3555551616000 is an abundant number, since it is smaller than the sum of its proper divisors (8315858176320).

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

3555551616000 is a wasteful number, since it uses less digits than its factorization.

3555551616000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34728 (or 34700 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 42.

The spelling of 3555551616000 in words is "three trillion, five hundred fifty-five billion, five hundred fifty-one million, six hundred sixteen thousand".