66151612363 has 2 divisors, whose sum is σ = 66151612364. Its totient is φ = 66151612362.

The previous prime is 66151612249. The next prime is 66151612381. The reversal of 66151612363 is 36321615166.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66151612363 is a prime.

It is a super-2 number, since 2×66151612363² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66151612393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33075806181 + 33075806182.

It is an arithmetic number, because the mean of its divisors is an integer number (33075806182).

Almost surely, 2^66151612363 is an apocalyptic number.

66151612363 is a deficient number, since it is larger than the sum of its proper divisors (1).

66151612363 is an equidigital number, since it uses as much as digits as its factorization.

66151612363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The spelling of 66151612363 in words is "sixty-six billion, one hundred fifty-one million, six hundred twelve thousand, three hundred sixty-three".