1768066988 has 6 divisors (see below), whose sum is σ = 3094117236. Its totient is φ = 884033492.

The previous prime is 1768066987. The next prime is 1768066999. The reversal of 1768066988 is 8896608671.

It is not an unprimeable number, because it can be changed into a prime (1768066987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221008370 + ... + 221008377.

It is an arithmetic number, because the mean of its divisors is an integer number (515686206).

Almost surely, 2^1768066988 is an apocalyptic number.

It is an amenable number.

1768066988 is a deficient number, since it is larger than the sum of its proper divisors (1326050248).

1768066988 is a wasteful number, since it uses less digits than its factorization.

1768066988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442016751 (or 442016749 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 1768066988 is about 42048.3886492693. The cubic root of 1768066988 is about 1209.2039907166.

The spelling of 1768066988 in words is "one billion, seven hundred sixty-eight million, sixty-six thousand, nine hundred eighty-eight".