1066764311 has 16 divisors (see below), whose sum is σ = 1141862400. Its totient is φ = 994253568.

The previous prime is 1066764299. The next prime is 1066764317. The reversal of 1066764311 is 1134676601.

It is not a de Polignac number, because 1066764311 - 2²² = 1062570007 is a prime.

It is a super-2 number, since 2×1066764311² = 2275972190446609442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066764317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256295 + ... + 260423.

It is an arithmetic number, because the mean of its divisors is an integer number (71366400).

Almost surely, 2^1066764311 is an apocalyptic number.

1066764311 is a deficient number, since it is larger than the sum of its proper divisors (75098089).

1066764311 is a wasteful number, since it uses less digits than its factorization.

1066764311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1066764311 is about 32661.3580703559. The cubic root of 1066764311 is about 1021.7770863125. Note that the first 3 decimals are identical.

The spelling of 1066764311 in words is "one billion, sixty-six million, seven hundred sixty-four thousand, three hundred eleven".