66264852286537 has 2 divisors, whose sum is σ = 66264852286538. Its totient is φ = 66264852286536.

The previous prime is 66264852286487. The next prime is 66264852286627. The reversal of 66264852286537 is 73568225846266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64111152219136 + 2153700067401 = 8006944^2 + 1467549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66264852286537 is a prime.

It is not a weakly prime, because it can be changed into another prime (66264852283537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33132426143268 + 33132426143269.

It is an arithmetic number, because the mean of its divisors is an integer number (33132426143269).

Almost surely, 2^{66264852286537} is an apocalyptic number.

It is an amenable number.

66264852286537 is a deficient number, since it is larger than the sum of its proper divisors (1).

66264852286537 is an equidigital number, since it uses as much as digits as its factorization.

66264852286537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1393459200, while the sum is 70.

The spelling of 66264852286537 in words is "sixty-six trillion, two hundred sixty-four billion, eight hundred fifty-two million, two hundred eighty-six thousand, five hundred thirty-seven".