66152247323 has 2 divisors, whose sum is σ = 66152247324. Its totient is φ = 66152247322.

The previous prime is 66152247319. The next prime is 66152247361. The reversal of 66152247323 is 32374225166.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66152247323 - 2² = 66152247319 is a prime.

It is a super-2 number, since 2×66152247323² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66152247223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33076123661 + 33076123662.

It is an arithmetic number, because the mean of its divisors is an integer number (33076123662).

Almost surely, 2^66152247323 is an apocalyptic number.

66152247323 is a deficient number, since it is larger than the sum of its proper divisors (1).

66152247323 is an equidigital number, since it uses as much as digits as its factorization.

66152247323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The spelling of 66152247323 in words is "sixty-six billion, one hundred fifty-two million, two hundred forty-seven thousand, three hundred twenty-three".