66152201207 has 4 divisors (see below), whose sum is σ = 66176713800. Its totient is φ = 66127688616.

The previous prime is 66152201183. The next prime is 66152201209. The reversal of 66152201207 is 70210225166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66152201207 - 2²⁰ = 66151152631 is a prime.

It is a super-2 number, since 2×66152201207² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66152201209) 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, 12252248 + ... + 12257645.

It is an arithmetic number, because the mean of its divisors is an integer number (16544178450).

Almost surely, 2^66152201207 is an apocalyptic number.

66152201207 is a deficient number, since it is larger than the sum of its proper divisors (24512593).

66152201207 is a wasteful number, since it uses less digits than its factorization.

66152201207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512592.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 66152201207 in words is "sixty-six billion, one hundred fifty-two million, two hundred one thousand, two hundred seven".