4097856785616 has 60 divisors (see below), whose sum is σ = 12510880948800. Its totient is φ = 1241774783040.

The previous prime is 4097856785611. The next prime is 4097856785623. The reversal of 4097856785616 is 6165876587904.

4097856785616 is a `hidden beast` number, since 4 + 0 + 9 + 7 + 8 + 56 + 7 + 8 + 561 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4097856785611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1293513816 + ... + 1293516983.

It is an arithmetic number, because the mean of its divisors is an integer number (208514682480).

Almost surely, 2^{4097856785616} is an apocalyptic number.

It is an amenable number.

4097856785616 is an abundant number, since it is smaller than the sum of its proper divisors (8413024163184).

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

4097856785616 is a wasteful number, since it uses less digits than its factorization.

4097856785616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587030824 (or 2587030815 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 72.

The spelling of 4097856785616 in words is "four trillion, ninety-seven billion, eight hundred fifty-six million, seven hundred eighty-five thousand, six hundred sixteen".