3551222405160 has 384 divisors, whose sum is σ = 11791288454400. Its totient is φ = 926706401280.

The previous prime is 3551222405141. The next prime is 3551222405189. The reversal of 3551222405160 is 615042221553.

3551222405160 is a `hidden beast` number, since 3 + 551 + 2 + 2 + 2 + 40 + 5 + 1 + 60 = 666.

It is a super-2 number, since 2×3551222405160² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2918012872 + ... + 2918014088.

It is an arithmetic number, because the mean of its divisors is an integer number (30706480350).

Almost surely, 2^{3551222405160} is an apocalyptic number.

3551222405160 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 3551222405160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5895644227200).

3551222405160 is an abundant number, since it is smaller than the sum of its proper divisors (8240066049240).

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

3551222405160 is a wasteful number, since it uses less digits than its factorization.

3551222405160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 3551222405160 in words is "three trillion, five hundred fifty-one billion, two hundred twenty-two million, four hundred five thousand, one hundred sixty".