3543646968 has 160 divisors (see below), whose sum is σ = 10196524800. Its totient is φ = 1149277248.

The previous prime is 3543646963. The next prime is 3543646969. The reversal of 3543646968 is 8696463453.

3543646968 is a `hidden beast` number, since 3 + 543 + 6 + 4 + 6 + 96 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543646963) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9349803 + ... + 9350181.

It is an arithmetic number, because the mean of its divisors is an integer number (63728280).

Almost surely, 2^3543646968 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 3543646968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5098262400).

3543646968 is an abundant number, since it is smaller than the sum of its proper divisors (6652877832).

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

3543646968 is a wasteful number, since it uses less digits than its factorization.

3543646968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 738 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The square root of 3543646968 is about 59528.5391052057. The cubic root of 3543646968 is about 1524.5797595800.

The spelling of 3543646968 in words is "three billion, five hundred forty-three million, six hundred forty-six thousand, nine hundred sixty-eight".