1066764159 has 24 divisors (see below), whose sum is σ = 1604772000. Its totient is φ = 682019520.

The previous prime is 1066764133. The next prime is 1066764163. The reversal of 1066764159 is 9514676601.

It is not a de Polignac number, because 1066764159 - 2⁸ = 1066763903 is a prime.

It is a super-2 number, since 2×1066764159² = 2275971541853954562, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066764119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25174 + ... + 52604.

It is an arithmetic number, because the mean of its divisors is an integer number (66865500).

Almost surely, 2^1066764159 is an apocalyptic number.

1066764159 is a deficient number, since it is larger than the sum of its proper divisors (538007841).

1066764159 is a wasteful number, since it uses less digits than its factorization.

1066764159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27615 (or 27612 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1066764159 is about 32661.3557434470. The cubic root of 1066764159 is about 1021.7770377825. Note that the first 3 decimals are identical.

The spelling of 1066764159 in words is "one billion, sixty-six million, seven hundred sixty-four thousand, one hundred fifty-nine".