3556043064 has 192 divisors, whose sum is σ = 11797194240. Its totient is φ = 945457920.

The previous prime is 3556043063. The next prime is 3556043093. The reversal of 3556043064 is 4603406553.

3556043064 is a `hidden beast` number, since 3 + 5 + 560 + 4 + 30 + 64 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556043063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 424759 + ... + 433049.

It is an arithmetic number, because the mean of its divisors is an integer number (61443720).

Almost surely, 2^3556043064 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 3556043064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5898597120).

3556043064 is an abundant number, since it is smaller than the sum of its proper divisors (8241151176).

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

3556043064 is a wasteful number, since it uses less digits than its factorization.

3556043064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370 (or 8363 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 3556043064 is about 59632.5671424600. The cubic root of 3556043064 is about 1526.3554107823.

The spelling of 3556043064 in words is "three billion, five hundred fifty-six million, forty-three thousand, sixty-four".