3656051616 has 96 divisors (see below), whose sum is σ = 11054776320. Its totient is φ = 1036336896.

The previous prime is 3656051561. The next prime is 3656051617. The reversal of 3656051616 is 6161506563.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×3656051616² = 26733426837712422912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3656051617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63925 + ... + 106763.

It is an arithmetic number, because the mean of its divisors is an integer number (115153920).

Almost surely, 2^3656051616 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 3656051616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5527388160).

3656051616 is an abundant number, since it is smaller than the sum of its proper divisors (7398724704).

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

3656051616 is a wasteful number, since it uses less digits than its factorization.

3656051616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42986 (or 42978 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 3656051616 is about 60465.2926562007. The cubic root of 3656051616 is about 1540.5321734168.

The spelling of 3656051616 in words is "three billion, six hundred fifty-six million, fifty-one thousand, six hundred sixteen".