6181781230 has 32 divisors (see below), whose sum is σ = 12188024640. Its totient is φ = 2247006720.

The previous prime is 6181781219. The next prime is 6181781237. The reversal of 6181781230 is 321871816.

It is a self number, because there is not a number n which added to its sum of digits gives 6181781230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6181781237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622026 + ... + 631885.

It is an arithmetic number, because the mean of its divisors is an integer number (380875770).

Almost surely, 2^6181781230 is an apocalyptic number.

6181781230 is a deficient number, since it is larger than the sum of its proper divisors (6006243410).

6181781230 is a wasteful number, since it uses less digits than its factorization.

6181781230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253964.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 6181781230 is about 78624.3043212466. The cubic root of 6181781230 is about 1835.2893474683.

The spelling of 6181781230 in words is "six billion, one hundred eighty-one million, seven hundred eighty-one thousand, two hundred thirty".