1064666131 has 4 divisors (see below), whose sum is σ = 1066976064. Its totient is φ = 1062356200.

The previous prime is 1064666129. The next prime is 1064666143. The reversal of 1064666131 is 1316664601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1064666131 - 2¹ = 1064666129 is a prime.

It is a super-2 number, since 2×1064666131² = 2267027940997018322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064666171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154275 + ... + 1155196.

It is an arithmetic number, because the mean of its divisors is an integer number (266744016).

Almost surely, 2^1064666131 is an apocalyptic number.

1064666131 is a deficient number, since it is larger than the sum of its proper divisors (2309933).

1064666131 is an equidigital number, since it uses as much as digits as its factorization.

1064666131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309932.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1064666131 is about 32629.2220409865. Note that the first 3 decimals coincide. The cubic root of 1064666131 is about 1021.1067478785.

The spelling of 1064666131 in words is "one billion, sixty-four million, six hundred sixty-six thousand, one hundred thirty-one".