3656446064 has 20 divisors (see below), whose sum is σ = 7088817120. Its totient is φ = 1827073920.

The previous prime is 3656446043. The next prime is 3656446081. The reversal of 3656446064 is 4606446563.

It is a happy number.

3656446064 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 3 ways as a sum of consecutive naturals, for example, 45272 + ... + 96759.

It is an arithmetic number, because the mean of its divisors is an integer number (354440856).

Almost surely, 2^3656446064 is an apocalyptic number.

It is an amenable number.

3656446064 is a deficient number, since it is larger than the sum of its proper divisors (3432371056).

3656446064 is a wasteful number, since it uses less digits than its factorization.

3656446064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143648 (or 143642 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 44.

The square root of 3656446064 is about 60468.5543402519. The cubic root of 3656446064 is about 1540.5875736178.

It can be divided in two parts, 36564 and 46064, that added together give a palindrome (82628).

The spelling of 3656446064 in words is "three billion, six hundred fifty-six million, four hundred forty-six thousand, sixty-four".