3895056616656 has 80 divisors (see below), whose sum is σ = 10599246604800. Its totient is φ = 1229155507584.

The previous prime is 3895056616651. The next prime is 3895056616673. The reversal of 3895056616656 is 6566166505983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895056616651) 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, 195036 + ... + 2797883.

It is an arithmetic number, because the mean of its divisors is an integer number (132490582560).

Almost surely, 2^{3895056616656} 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 3895056616656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5299623302400).

3895056616656 is an abundant number, since it is smaller than the sum of its proper divisors (6704189988144).

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

3895056616656 is a wasteful number, since it uses less digits than its factorization.

3895056616656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994376 (or 2994370 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 66.

The spelling of 3895056616656 in words is "three trillion, eight hundred ninety-five billion, fifty-six million, six hundred sixteen thousand, six hundred fifty-six".