1066102506 has 96 divisors (see below), whose sum is σ = 2803032000. Its totient is φ = 299394144.

The previous prime is 1066102469. The next prime is 1066102519. The reversal of 1066102506 is 6052016601.

It is a happy number.

It is a super-2 number, since 2×1066102506² = 2273149106598960072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1066102506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152700 + ... + 159528.

It is an arithmetic number, because the mean of its divisors is an integer number (29198250).

Almost surely, 2^1066102506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066102506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401516000).

1066102506 is an abundant number, since it is smaller than the sum of its proper divisors (1736929494).

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

1066102506 is a wasteful number, since it uses less digits than its factorization.

1066102506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913 (or 6900 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1066102506 is about 32651.2251837508. The cubic root of 1066102506 is about 1021.5657440743.

The spelling of 1066102506 in words is "one billion, sixty-six million, one hundred two thousand, five hundred six".