1806750668 has 6 divisors (see below), whose sum is σ = 3161813676. Its totient is φ = 903375332.

The previous prime is 1806750653. The next prime is 1806750709. The reversal of 1806750668 is 8660576081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225843830 + ... + 225843837.

It is an arithmetic number, because the mean of its divisors is an integer number (526968946).

Almost surely, 2^1806750668 is an apocalyptic number.

It is an amenable number.

1806750668 is a deficient number, since it is larger than the sum of its proper divisors (1355063008).

1806750668 is a wasteful number, since it uses less digits than its factorization.

1806750668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451687671 (or 451687669 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1806750668 is about 42505.8898036496. The cubic root of 1806750668 is about 1217.9592029785.

The spelling of 1806750668 in words is "one billion, eight hundred six million, seven hundred fifty thousand, six hundred sixty-eight".