3554858663680 has 144 divisors (see below), whose sum is σ = 8535372842304. Its totient is φ = 1418545889280.

The previous prime is 3554858663677. The next prime is 3554858663723. The reversal of 3554858663680 is 863668584553.

It is a happy number.

It is a super-2 number, since 2×3554858663680² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1224545109 + ... + 1224548011.

It is an arithmetic number, because the mean of its divisors is an integer number (59273422516).

Almost surely, 2^{3554858663680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3554858663680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4267686421152).

3554858663680 is an abundant number, since it is smaller than the sum of its proper divisors (4980514178624).

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

3554858663680 is a wasteful number, since it uses less digits than its factorization.

3554858663680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4868 counting only the distinct ones).

The product of its (nonzero) digits is 497664000, while the sum is 67.

The spelling of 3554858663680 in words is "three trillion, five hundred fifty-four billion, eight hundred fifty-eight million, six hundred sixty-three thousand, six hundred eighty".