4640766081 has 8 divisors (see below), whose sum is σ = 7071643584. Its totient is φ = 2651866320.

The previous prime is 4640766077. The next prime is 4640766089. The reversal of 4640766081 is 1806670464.

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

It is not a de Polignac number, because 4640766081 - 2² = 4640766077 is a prime.

It is a super-2 number, since 2×4640766081² = 43073419637120197122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4640766089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110494410 + ... + 110494451.

It is an arithmetic number, because the mean of its divisors is an integer number (883955448).

Almost surely, 2^4640766081 is an apocalyptic number.

It is an amenable number.

4640766081 is a deficient number, since it is larger than the sum of its proper divisors (2430877503).

4640766081 is a wasteful number, since it uses less digits than its factorization.

4640766081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220988871.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4640766081 is about 68123.1684597832. The cubic root of 4640766081 is about 1668.0019707232.

The spelling of 4640766081 in words is "four billion, six hundred forty million, seven hundred sixty-six thousand, eighty-one".