4247161466256 has 100 divisors (see below), whose sum is σ = 12716397510300. Its totient is φ = 1366902528768.

The previous prime is 4247161466243. The next prime is 4247161466257. The reversal of 4247161466256 is 6526641617424.

4247161466256 is a `hidden beast` number, since 4 + 2 + 4 + 7 + 1 + 6 + 1 + 4 + 6 + 625 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1778542304400 + 2468619161856 = 1333620^2 + 1571184^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4247161466257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56464671 + ... + 56539838.

It is an arithmetic number, because the mean of its divisors is an integer number (127163975103).

Almost surely, 2^{4247161466256} is an apocalyptic number.

It is an amenable number.

4247161466256 is an abundant number, since it is smaller than the sum of its proper divisors (8469236044044).

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

4247161466256 is a wasteful number, since it uses less digits than its factorization.

4247161466256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113004558 (or 113004543 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 4247161466256 in words is "four trillion, two hundred forty-seven billion, one hundred sixty-one million, four hundred sixty-six thousand, two hundred fifty-six".