7766169968 has 10 divisors (see below), whose sum is σ = 15046954344. Its totient is φ = 3883084976.

The previous prime is 7766169967. The next prime is 7766169997. The reversal of 7766169968 is 8699616677.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7766169967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242692796 + ... + 242692827.

Almost surely, 2^7766169968 is an apocalyptic number.

It is an amenable number.

7766169968 is a deficient number, since it is larger than the sum of its proper divisors (7280784376).

7766169968 is a wasteful number, since it uses less digits than its factorization.

7766169968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485385631 (or 485385625 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 65.

The square root of 7766169968 is about 88125.8757006136. The cubic root of 7766169968 is about 1980.3211709053.

The spelling of 7766169968 in words is "seven billion, seven hundred sixty-six million, one hundred sixty-nine thousand, nine hundred sixty-eight".