4064166765 has 32 divisors (see below), whose sum is σ = 7420469760. Its totient is φ = 2108970432.

The previous prime is 4064166719. The next prime is 4064166781. The reversal of 4064166765 is 5676614604.

It is not a de Polignac number, because 4064166765 - 2⁷ = 4064166637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4064166765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401829 + ... + 411818.

It is an arithmetic number, because the mean of its divisors is an integer number (231889680).

Almost surely, 2^4064166765 is an apocalyptic number.

4064166765 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4064166765 is a deficient number, since it is larger than the sum of its proper divisors (3356302995).

4064166765 is a wasteful number, since it uses less digits than its factorization.

4064166765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813698 (or 813692 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 4064166765 is about 63750.8177594609. The cubic root of 4064166765 is about 1595.8442630275.

The spelling of 4064166765 in words is "four billion, sixty-four million, one hundred sixty-six thousand, seven hundred sixty-five".