3534621168 has 80 divisors (see below), whose sum is σ = 9866062976. Its totient is φ = 1083974400.

The previous prime is 3534621143. The next prime is 3534621179. The reversal of 3534621168 is 8611264353.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 182343 + ... + 200793.

Almost surely, 2^3534621168 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 3534621168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4933031488).

3534621168 is an abundant number, since it is smaller than the sum of its proper divisors (6331441808).

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

3534621168 is a wasteful number, since it uses less digits than its factorization.

3534621168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18782 (or 18776 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 3534621168 is about 59452.6800741565. The cubic root of 3534621168 is about 1523.2842720445.

The spelling of 3534621168 in words is "three billion, five hundred thirty-four million, six hundred twenty-one thousand, one hundred sixty-eight".