3546533646 has 80 divisors (see below), whose sum is σ = 8112051024. Its totient is φ = 1157815296.

The previous prime is 3546533621. The next prime is 3546533651. The reversal of 3546533646 is 6463356453.

3546533646 is a `hidden beast` number, since 3 + 54 + 6 + 533 + 64 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2093976 + ... + 2095668.

Almost surely, 2^3546533646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3546533646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4056025512).

3546533646 is an abundant number, since it is smaller than the sum of its proper divisors (4565517378).

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

3546533646 is a wasteful number, since it uses less digits than its factorization.

3546533646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1958 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 45.

The square root of 3546533646 is about 59552.7803381169. The cubic root of 3546533646 is about 1524.9936247696.

The spelling of 3546533646 in words is "three billion, five hundred forty-six million, five hundred thirty-three thousand, six hundred forty-six".