2066110538 has 16 divisors (see below), whose sum is σ = 3285510984. Its totient is φ = 971089920.

The previous prime is 2066110513. The next prime is 2066110547. The reversal of 2066110538 is 8350116602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2059072129 + 7038409 = 45377^2 + 2653^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9095 + ... + 64922.

Almost surely, 2^2066110538 is an apocalyptic number.

2066110538 is a deficient number, since it is larger than the sum of its proper divisors (1219400446).

2066110538 is a wasteful number, since it uses less digits than its factorization.

2066110538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74857.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2066110538 is about 45454.4886452372. The cubic root of 2066110538 is about 1273.6531799940.

The spelling of 2066110538 in words is "two billion, sixty-six million, one hundred ten thousand, five hundred thirty-eight".