666016036 has 36 divisors (see below), whose sum is σ = 1357398000. Its totient is φ = 285103056.

The previous prime is 666016033. The next prime is 666016061. The reversal of 666016036 is 630610666.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 666015992 and 666016010.

It is not an unprimeable number, because it can be changed into a prime (666016031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245415 + ... + 248113.

It is an arithmetic number, because the mean of its divisors is an integer number (37705500).

Almost surely, 2^666016036 is an apocalyptic number.

It is an amenable number.

666016036 is an abundant number, since it is smaller than the sum of its proper divisors (691381964).

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

666016036 is a wasteful number, since it uses less digits than its factorization.

666016036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 666016036 is about 25807.2864904468. The cubic root of 666016036 is about 873.2961831150.

The spelling of 666016036 in words is "six hundred sixty-six million, sixteen thousand, thirty-six".