1066066516 has 24 divisors (see below), whose sum is σ = 1997100000. Its totient is φ = 496417824.

The previous prime is 1066066501. The next prime is 1066066517. The reversal of 1066066516 is 6156606601.

It is a super-2 number, since 2×1066066516² = 2272995633072756512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066066517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114391 + ... + 123358.

It is an arithmetic number, because the mean of its divisors is an integer number (83212500).

Almost surely, 2^1066066516 is an apocalyptic number.

It is an amenable number.

1066066516 is a deficient number, since it is larger than the sum of its proper divisors (931033484).

1066066516 is a wasteful number, since it uses less digits than its factorization.

1066066516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237831 (or 237829 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1066066516 is about 32650.6740512351. The cubic root of 1066066516 is about 1021.5542484427.

The spelling of 1066066516 in words is "one billion, sixty-six million, sixty-six thousand, five hundred sixteen".