4278260160581 has 16 divisors (see below), whose sum is σ = 4912998105600. Its totient is φ = 3684503372400.

The previous prime is 4278260160571. The next prime is 4278260160611. The reversal of 4278260160581 is 1850610628724.

It is a cyclic number.

It is not a de Polignac number, because 4278260160581 - 2²² = 4278255966277 is a prime.

It is a super-2 number, since 2×4278260160581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278260160541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6260990 + ... + 6910608.

It is an arithmetic number, because the mean of its divisors is an integer number (307062381600).

Almost surely, 2^{4278260160581} is an apocalyptic number.

It is an amenable number.

4278260160581 is a deficient number, since it is larger than the sum of its proper divisors (634737945019).

4278260160581 is a wasteful number, since it uses less digits than its factorization.

4278260160581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681160.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 4278260160581 in words is "four trillion, two hundred seventy-eight billion, two hundred sixty million, one hundred sixty thousand, five hundred eighty-one".