6146221388 has 12 divisors (see below), whose sum is σ = 10840580352. Its totient is φ = 3048912720.

The previous prime is 6146221381. The next prime is 6146221421. The reversal of 6146221388 is 8831226416.

It is not an unprimeable number, because it can be changed into a prime (6146221381) 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 3 ways as a sum of consecutive naturals, for example, 6048923 + ... + 6049938.

It is an arithmetic number, because the mean of its divisors is an integer number (903381696).

Almost surely, 2^6146221388 is an apocalyptic number.

It is an amenable number.

6146221388 is a deficient number, since it is larger than the sum of its proper divisors (4694358964).

6146221388 is a wasteful number, since it uses less digits than its factorization.

6146221388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098992 (or 12098990 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 6146221388 is about 78397.8404549513. The cubic root of 6146221388 is about 1831.7634953843.

The spelling of 6146221388 in words is "six billion, one hundred forty-six million, two hundred twenty-one thousand, three hundred eighty-eight".