5781281201466 has 64 divisors (see below), whose sum is σ = 11827294617600. Its totient is φ = 1883379992256.

The previous prime is 5781281201431. The next prime is 5781281201467. The reversal of 5781281201466 is 6641021821875.

It is a happy number.

It is a super-4 number, since 4×5781281201466⁴ (a number of 52 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (5781281201467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51299556 + ... + 51412128.

It is an arithmetic number, because the mean of its divisors is an integer number (184801478400).

Almost surely, 2^{5781281201466} is an apocalyptic number.

5781281201466 is an abundant number, since it is smaller than the sum of its proper divisors (6046013416134).

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

5781281201466 is a wasteful number, since it uses less digits than its factorization.

5781281201466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113483.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 5781281201466 in words is "five trillion, seven hundred eighty-one billion, two hundred eighty-one million, two hundred one thousand, four hundred sixty-six".