1066265516 has 36 divisors (see below), whose sum is σ = 1934180136. Its totient is φ = 514022400.

The previous prime is 1066265509. The next prime is 1066265527. The reversal of 1066265516 is 6155626601.

It is a super-2 number, since 2×1066265516² = 2273844301221492512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066265516.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1542731 + ... + 1543421.

It is an arithmetic number, because the mean of its divisors is an integer number (53727226).

Almost surely, 2^1066265516 is an apocalyptic number.

It is an amenable number.

1066265516 is a deficient number, since it is larger than the sum of its proper divisors (867914620).

1066265516 is an equidigital number, since it uses as much as digits as its factorization.

1066265516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1066265516 is about 32653.7213193229. The cubic root of 1066265516 is about 1021.6178081564.

The spelling of 1066265516 in words is "one billion, sixty-six million, two hundred sixty-five thousand, five hundred sixteen".