6249890016 has 72 divisors (see below), whose sum is σ = 18431411544. Its totient is φ = 2083294080.

The previous prime is 6249889969. The next prime is 6249890029. The reversal of 6249890016 is 6100989426.

It is a happy number.

6249890016 is a `hidden beast` number, since 62 + 498 + 90 + 0 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×6249890016² = 78122250424192960512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394095 + ... + 409646.

It is an arithmetic number, because the mean of its divisors is an integer number (255991827).

Almost surely, 2^6249890016 is an apocalyptic number.

It is an amenable number.

6249890016 is an abundant number, since it is smaller than the sum of its proper divisors (12181521528).

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

6249890016 is an equidigital number, since it uses as much as digits as its factorization.

6249890016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803766 (or 803746 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 6249890016 is about 79056.2459012569. The cubic root of 6249890016 is about 1842.0049443363.

The spelling of 6249890016 in words is "six billion, two hundred forty-nine million, eight hundred ninety thousand, sixteen".