1836020066 has 8 divisors (see below), whose sum is σ = 2754413100. Its totient is φ = 917882368.

The previous prime is 1836020059. The next prime is 1836020083. The reversal of 1836020066 is 6600206381.

It can be written as a sum of positive squares in 2 ways, for example, as 1835694025 + 326041 = 42845^2 + 571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44711 + ... + 75306.

Almost surely, 2^1836020066 is an apocalyptic number.

1836020066 is a deficient number, since it is larger than the sum of its proper divisors (918393034).

1836020066 is a wasteful number, since it uses less digits than its factorization.

1836020066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127668.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1836020066 is about 42848.8047207854. The cubic root of 1836020066 is about 1224.5009914790.

The spelling of 1836020066 in words is "one billion, eight hundred thirty-six million, twenty thousand, sixty-six".