4257861783616 has 56 divisors (see below), whose sum is σ = 9656462312640. Its totient is φ = 1824752543232.

The previous prime is 4257861783613. The next prime is 4257861783641. The reversal of 4257861783616 is 6163871687524.

4257861783616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (4257861783613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22940595 + ... + 23125453.

Almost surely, 2^{4257861783616} is an apocalyptic number.

It is an amenable number.

4257861783616 is an abundant number, since it is smaller than the sum of its proper divisors (5398600529024).

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

4257861783616 is a wasteful number, since it uses less digits than its factorization.

4257861783616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236291 (or 236281 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 64.

The spelling of 4257861783616 in words is "four trillion, two hundred fifty-seven billion, eight hundred sixty-one million, seven hundred eighty-three thousand, six hundred sixteen".