6611199944 has 16 divisors (see below), whose sum is σ = 12399603120. Its totient is φ = 3304639120.

The previous prime is 6611199893. The next prime is 6611199953. The reversal of 6611199944 is 4499911166.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6611199892 and 6611199901.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90434 + ... + 146289.

It is an arithmetic number, because the mean of its divisors is an integer number (774975195).

Almost surely, 2^6611199944 is an apocalyptic number.

It is an amenable number.

6611199944 is a deficient number, since it is larger than the sum of its proper divisors (5788403176).

6611199944 is a wasteful number, since it uses less digits than its factorization.

6611199944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240220 (or 240216 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 6611199944 is about 81309.2857181761. The cubic root of 6611199944 is about 1876.8378962787.

The spelling of 6611199944 in words is "six billion, six hundred eleven million, one hundred ninety-nine thousand, nine hundred forty-four".