1064520918 has 12 divisors (see below), whose sum is σ = 2306462028. Its totient is φ = 354840300.

The previous prime is 1064520913. The next prime is 1064520931. The reversal of 1064520918 is 8190254601.

1064520918 is a `hidden beast` number, since 1 + 0 + 645 + 2 + 0 + 9 + 1 + 8 = 666.

It is a super-2 number, since 2×1064520918² = 2266409569719125448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064520913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29570008 + ... + 29570043.

It is an arithmetic number, because the mean of its divisors is an integer number (192205169).

Almost surely, 2^1064520918 is an apocalyptic number.

1064520918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1064520918 is an abundant number, since it is smaller than the sum of its proper divisors (1241941110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1064520918 is a wasteful number, since it uses less digits than its factorization.

1064520918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59140059 (or 59140056 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1064520918 is about 32626.9967664816. The cubic root of 1064520918 is about 1021.0603218326.

The spelling of 1064520918 in words is "one billion, sixty-four million, five hundred twenty thousand, nine hundred eighteen".