6146888881 has 4 divisors (see below), whose sum is σ = 7025015872. Its totient is φ = 5268761892.

The previous prime is 6146888857. The next prime is 6146888887. The reversal of 6146888881 is 1888886416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6146888881 - 2⁷ = 6146888753 is a prime.

It is a super-2 number, since 2×6146888881² = 75568485830722864322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6146888887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439063485 + ... + 439063498.

It is an arithmetic number, because the mean of its divisors is an integer number (1756253968).

Almost surely, 2^6146888881 is an apocalyptic number.

It is an amenable number.

6146888881 is a deficient number, since it is larger than the sum of its proper divisors (878126991).

6146888881 is an equidigital number, since it uses as much as digits as its factorization.

6146888881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878126990.

The product of its digits is 4718592, while the sum is 58.

The square root of 6146888881 is about 78402.0974273010. The cubic root of 6146888881 is about 1831.8298041494.

The spelling of 6146888881 in words is "six billion, one hundred forty-six million, eight hundred eighty-eight thousand, eight hundred eighty-one".