6255016781 has 8 divisors (see below), whose sum is σ = 6746592384. Its totient is φ = 5764929840.

The previous prime is 6255016769. The next prime is 6255016783. The reversal of 6255016781 is 1876105526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6255016781 is a prime.

It is a super-2 number, since 2×6255016781² = 78250469861183203922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6255016783) 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, 363425 + ... + 380246.

It is an arithmetic number, because the mean of its divisors is an integer number (843324048).

Almost surely, 2^6255016781 is an apocalyptic number.

It is an amenable number.

6255016781 is a deficient number, since it is larger than the sum of its proper divisors (491575603).

6255016781 is a wasteful number, since it uses less digits than its factorization.

6255016781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744331.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 6255016781 is about 79088.6640486486. The cubic root of 6255016781 is about 1842.5084702898.

The spelling of 6255016781 in words is "six billion, two hundred fifty-five million, sixteen thousand, seven hundred eighty-one".