2066692243 has 16 divisors (see below), whose sum is σ = 2581334784. Its totient is φ = 1607484960.

The previous prime is 2066692241. The next prime is 2066692247. The reversal of 2066692243 is 3422966602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2066692243 - 2¹ = 2066692241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2066692196 and 2066692205.

It is not an unprimeable number, because it can be changed into a prime (2066692241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18796 + ... + 66982.

It is an arithmetic number, because the mean of its divisors is an integer number (161333424).

Almost surely, 2^2066692243 is an apocalyptic number.

2066692243 is a deficient number, since it is larger than the sum of its proper divisors (514642541).

2066692243 is a wasteful number, since it uses less digits than its factorization.

2066692243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48762.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 2066692243 is about 45460.8869579114. The cubic root of 2066692243 is about 1273.7726993983.

The spelling of 2066692243 in words is "two billion, sixty-six million, six hundred ninety-two thousand, two hundred forty-three".