66236046101 has 4 divisors (see below), whose sum is σ = 67224643872. Its totient is φ = 65247448332.

The previous prime is 66236046073. The next prime is 66236046269. The reversal of 66236046101 is 10164063266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66236046101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66236045101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494298785 + ... + 494298918.

It is an arithmetic number, because the mean of its divisors is an integer number (16806160968).

Almost surely, 2^66236046101 is an apocalyptic number.

It is an amenable number.

66236046101 is a deficient number, since it is larger than the sum of its proper divisors (988597771).

66236046101 is an equidigital number, since it uses as much as digits as its factorization.

66236046101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988597770.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 66236046101 in words is "sixty-six billion, two hundred thirty-six million, forty-six thousand, one hundred one".