1966749763 has 8 divisors (see below), whose sum is σ = 2203533360. Its totient is φ = 1739630880.

The previous prime is 1966749751. The next prime is 1966749821. The reversal of 1966749763 is 3679476691.

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

It is a cyclic number.

It is not a de Polignac number, because 1966749763 - 2¹⁷ = 1966618691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1966749698 and 1966749707.

It is not an unprimeable number, because it can be changed into a prime (1966749713) 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, 2415748 + ... + 2416561.

It is an arithmetic number, because the mean of its divisors is an integer number (275441670).

Almost surely, 2^1966749763 is an apocalyptic number.

1966749763 is a deficient number, since it is larger than the sum of its proper divisors (236783597).

1966749763 is a wasteful number, since it uses less digits than its factorization.

1966749763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832357.

The product of its digits is 10287648, while the sum is 58.

The square root of 1966749763 is about 44348.0525277041. The cubic root of 1966749763 is about 1252.8998834451.

The spelling of 1966749763 in words is "one billion, nine hundred sixty-six million, seven hundred forty-nine thousand, seven hundred sixty-three".