6206661825 has 48 divisors (see below), whose sum is σ = 12629774976. Its totient is φ = 2619072000.

The previous prime is 6206661821. The next prime is 6206661833. The reversal of 6206661825 is 5281666026.

6206661825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6206661825 - 2² = 6206661821 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6206661821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447876 + ... + 461525.

It is an arithmetic number, because the mean of its divisors is an integer number (263120312).

Almost surely, 2^6206661825 is an apocalyptic number.

6206661825 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6206661825 is an abundant number, since it is smaller than the sum of its proper divisors (6423113151).

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

6206661825 is a wasteful number, since it uses less digits than its factorization.

6206661825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909434 (or 909429 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 6206661825 is about 78782.3700138553. The cubic root of 6206661825 is about 1837.7482916830.

The spelling of 6206661825 in words is "six billion, two hundred six million, six hundred sixty-one thousand, eight hundred twenty-five".