3646061264 has 40 divisors (see below), whose sum is σ = 7495056000. Its totient is φ = 1712291328.

The previous prime is 3646061257. The next prime is 3646061303. The reversal of 3646061264 is 4621606463.

It is a happy number.

3646061264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122297 + ... + 149159.

It is an arithmetic number, because the mean of its divisors is an integer number (187376400).

Almost surely, 2^3646061264 is an apocalyptic number.

3646061264 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3646061264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3747528000).

3646061264 is an abundant number, since it is smaller than the sum of its proper divisors (3848994736).

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

3646061264 is a wasteful number, since it uses less digits than its factorization.

3646061264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27387 (or 27381 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 3646061264 is about 60382.6238581928. The cubic root of 3646061264 is about 1539.1276984961.

The spelling of 3646061264 in words is "three billion, six hundred forty-six million, sixty-one thousand, two hundred sixty-four".