3640968766 has 8 divisors (see below), whose sum is σ = 5466193344. Its totient is φ = 1818904320.

The previous prime is 3640968743. The next prime is 3640968809. The reversal of 3640968766 is 6678690463.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787150 + ... + 791761.

It is an arithmetic number, because the mean of its divisors is an integer number (683274168).

Almost surely, 2^3640968766 is an apocalyptic number.

3640968766 is a deficient number, since it is larger than the sum of its proper divisors (1825224578).

3640968766 is a wasteful number, since it uses less digits than its factorization.

3640968766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580066.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The square root of 3640968766 is about 60340.4405519217. The cubic root of 3640968766 is about 1538.4107918455.

The spelling of 3640968766 in words is "three billion, six hundred forty million, nine hundred sixty-eight thousand, seven hundred sixty-six".