1264565066 has 8 divisors (see below), whose sum is σ = 1897077024. Its totient is φ = 632206060.

The previous prime is 1264565023. The next prime is 1264565069. The reversal of 1264565066 is 6605654621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1264565066² = 3198249612295168712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1264565069) 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 3 ways as a sum of consecutive naturals, for example, 14660 + ... + 52383.

It is an arithmetic number, because the mean of its divisors is an integer number (237134628).

Almost surely, 2^1264565066 is an apocalyptic number.

1264565066 is a deficient number, since it is larger than the sum of its proper divisors (632511958).

1264565066 is an equidigital number, since it uses as much as digits as its factorization.

1264565066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76476.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 1264565066 is about 35560.7236428057. The cubic root of 1264565066 is about 1081.3851300658.

The spelling of 1264565066 in words is "one billion, two hundred sixty-four million, five hundred sixty-five thousand, sixty-six".