3646741616 has 20 divisors (see below), whose sum is σ = 8074928112. Its totient is φ = 1562889216.

The previous prime is 3646741613. The next prime is 3646741633. The reversal of 3646741616 is 6161476463.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646741613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16279985 + ... + 16280208.

Almost surely, 2^3646741616 is an apocalyptic number.

It is an amenable number.

3646741616 is an abundant number, since it is smaller than the sum of its proper divisors (4428186496).

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

3646741616 is a wasteful number, since it uses less digits than its factorization.

3646741616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32560208 (or 32560202 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 3646741616 is about 60388.2572691082. The cubic root of 3646741616 is about 1539.2234258583.

The spelling of 3646741616 in words is "three billion, six hundred forty-six million, seven hundred forty-one thousand, six hundred sixteen".