1066265515 has 16 divisors (see below), whose sum is σ = 1462936320. Its totient is φ = 730838880.

The previous prime is 1066265509. The next prime is 1066265527. The reversal of 1066265515 is 5155626601.

It is not a de Polignac number, because 1066265515 - 2³ = 1066265507 is a prime.

It is a super-2 number, since 2×1066265515² = 2273844296956430450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100620 + ... + 110710.

It is an arithmetic number, because the mean of its divisors is an integer number (91433520).

Almost surely, 2^1066265515 is an apocalyptic number.

1066265515 is a deficient number, since it is larger than the sum of its proper divisors (396670805).

1066265515 is a wasteful number, since it uses less digits than its factorization.

1066265515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13122.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 1066265515 is about 32653.7213040107. The cubic root of 1066265515 is about 1021.6178078370.

The spelling of 1066265515 in words is "one billion, sixty-six million, two hundred sixty-five thousand, five hundred fifteen".