66000036 has 12 divisors (see below), whose sum is σ = 154000112. Its totient is φ = 22000008.

The previous prime is 66000029. The next prime is 66000043. The reversal of 66000036 is 63000066.

It is an interprime number because it is at equal distance from previous prime (66000029) and next prime (66000043).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 65999976 and 66000021.

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, 2749990 + ... + 2750013.

Almost surely, 2^66000036 is an apocalyptic number.

It is an amenable number.

66000036 is an abundant number, since it is smaller than the sum of its proper divisors (88000076).

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

66000036 is a wasteful number, since it uses less digits than its factorization.

66000036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500010 (or 5500008 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 66000036 is about 8124.0406202825. The cubic root of 66000036 is about 404.1240755393.

The spelling of 66000036 in words is "sixty-six million, thirty-six", and thus it is an aban number, an eban number, and an uban number.