1066645092 has 24 divisors (see below), whose sum is σ = 2525987296. Its totient is φ = 350241408.

The previous prime is 1066645091. The next prime is 1066645157. The reversal of 1066645092 is 2905466601.

It is a super-2 number, since 2×1066645092² = 2275463504575376928, 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 1066645092.

It is not an unprimeable number, because it can be changed into a prime (1066645091) 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, 662533 + ... + 664140.

Almost surely, 2^1066645092 is an apocalyptic number.

1066645092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066645092 is an abundant number, since it is smaller than the sum of its proper divisors (1459342204).

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

1066645092 is a wasteful number, since it uses less digits than its factorization.

1066645092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326747 (or 1326745 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1066645092 is about 32659.5329421595. The cubic root of 1066645092 is about 1021.7390211156.

The spelling of 1066645092 in words is "one billion, sixty-six million, six hundred forty-five thousand, ninety-two".