66062730851 has 8 divisors (see below), whose sum is σ = 71146513200. Its totient is φ = 60979239072.

The previous prime is 66062730781. The next prime is 66062730869. The reversal of 66062730851 is 15803726066.

66062730851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66062730851 - 2³⁰ = 64988989027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66062730871) 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, 719801 + ... + 806373.

It is an arithmetic number, because the mean of its divisors is an integer number (8893314150).

Almost surely, 2^66062730851 is an apocalyptic number.

66062730851 is a deficient number, since it is larger than the sum of its proper divisors (5083782349).

66062730851 is a wasteful number, since it uses less digits than its factorization.

66062730851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145285.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 66062730851 in words is "sixty-six billion, sixty-two million, seven hundred thirty thousand, eight hundred fifty-one".