3554872816 has 40 divisors (see below), whose sum is σ = 7655496624. Its totient is φ = 1585359360.

The previous prime is 3554872759. The next prime is 3554872831. The reversal of 3554872816 is 6182784553.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3554872816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181221 + ... + 199876.

Almost surely, 2^3554872816 is an apocalyptic number.

It is an amenable number.

3554872816 is an abundant number, since it is smaller than the sum of its proper divisors (4100623808).

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

3554872816 is a wasteful number, since it uses less digits than its factorization.

3554872816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381169 (or 381163 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 3554872816 is about 59622.7541799270. The cubic root of 3554872816 is about 1526.1879577725.

The spelling of 3554872816 in words is "three billion, five hundred fifty-four million, eight hundred seventy-two thousand, eight hundred sixteen".