766668733683 has 8 divisors (see below), whose sum is σ = 1022428994496. Its totient is φ = 511010481000.

The previous prime is 766668733681. The next prime is 766668733729. The reversal of 766668733683 is 386337866667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 766668733683 - 2¹ = 766668733681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (766668733681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25484493 + ... + 25514558.

It is an arithmetic number, because the mean of its divisors is an integer number (127803624312).

Almost surely, 2^766668733683 is an apocalyptic number.

766668733683 is a deficient number, since it is larger than the sum of its proper divisors (255760260813).

766668733683 is a wasteful number, since it uses less digits than its factorization.

766668733683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51004065.

The product of its digits is 658409472, while the sum is 69.

The spelling of 766668733683 in words is "seven hundred sixty-six billion, six hundred sixty-eight million, seven hundred thirty-three thousand, six hundred eighty-three".