66536156147 has 2 divisors, whose sum is σ = 66536156148. Its totient is φ = 66536156146.

The previous prime is 66536156143. The next prime is 66536156173. The reversal of 66536156147 is 74165163566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66536156147 - 2² = 66536156143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66536156095 and 66536156104.

It is not a weakly prime, because it can be changed into another prime (66536156143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33268078073 + 33268078074.

It is an arithmetic number, because the mean of its divisors is an integer number (33268078074).

Almost surely, 2^66536156147 is an apocalyptic number.

66536156147 is a deficient number, since it is larger than the sum of its proper divisors (1).

66536156147 is an equidigital number, since it uses as much as digits as its factorization.

66536156147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The spelling of 66536156147 in words is "sixty-six billion, five hundred thirty-six million, one hundred fifty-six thousand, one hundred forty-seven".