3553989820416 has 476 divisors, whose sum is σ = 12180589509472. Its totient is φ = 1015330111488.

The previous prime is 3553989820391. The next prime is 3553989820457. The reversal of 3553989820416 is 6140289893553.

3553989820416 is a `hidden beast` number, since 3 + 5 + 53 + 98 + 9 + 82 + 0 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 334424895 + ... + 334435521.

Almost surely, 2^{3553989820416} is an apocalyptic number.

3553989820416 is a gapful number since it is divisible by the number (36) 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 3553989820416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6090294754736).

3553989820416 is an abundant number, since it is smaller than the sum of its proper divisors (8626599689056).

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

3553989820416 is an frugal number, since it uses more digits than its factorization.

3553989820416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 3553989820416 in words is "three trillion, five hundred fifty-three billion, nine hundred eighty-nine million, eight hundred twenty thousand, four hundred sixteen".