66035023233666 has 16 divisors (see below), whose sum is σ = 139021101544800. Its totient is φ = 20853165231648.

The previous prime is 66035023233661. The next prime is 66035023233671. The reversal of 66035023233666 is 66633232053066.

It is an interprime number because it is at equal distance from previous prime (66035023233661) and next prime (66035023233671).

It is not an unprimeable number, because it can be changed into a prime (66035023233661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289627294771 + ... + 289627294998.

It is an arithmetic number, because the mean of its divisors is an integer number (8688818846550).

Almost surely, 2^{66035023233666} is an apocalyptic number.

66035023233666 is an abundant number, since it is smaller than the sum of its proper divisors (72986078311134).

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

66035023233666 is a wasteful number, since it uses less digits than its factorization.

66035023233666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579254589793.

The product of its (nonzero) digits is 12597120, while the sum is 51.

The spelling of 66035023233666 in words is "sixty-six trillion, thirty-five billion, twenty-three million, two hundred thirty-three thousand, six hundred sixty-six".