6411881146 has 16 divisors (see below), whose sum is σ = 10511582688. Its totient is φ = 2909098800.

The previous prime is 6411881137. The next prime is 6411881171.

It is a happy number.

6411881146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6411881146² = 82224439660860546632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6411881099 and 6411881108.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 257460 + ... + 281263.

It is an arithmetic number, because the mean of its divisors is an integer number (656973918).

Almost surely, 2^6411881146 is an apocalyptic number.

6411881146 is a deficient number, since it is larger than the sum of its proper divisors (4099701542).

6411881146 is a wasteful number, since it uses less digits than its factorization.

6411881146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539277.

The product of its digits is 36864, while the sum is 40.

The square root of 6411881146 is about 80074.2227311636. Note that the first 3 decimals coincide. The cubic root of 6411881146 is about 1857.7837272787.

The spelling of 6411881146 in words is "six billion, four hundred eleven million, eight hundred eighty-one thousand, one hundred forty-six".