66737007031 has 2 divisors, whose sum is σ = 66737007032. Its totient is φ = 66737007030.

The previous prime is 66737006927. The next prime is 66737007037. The reversal of 66737007031 is 13070073766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66737007031 is a prime.

It is a super-2 number, since 2×66737007031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66737007037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33368503515 + 33368503516.

It is an arithmetic number, because the mean of its divisors is an integer number (33368503516).

Almost surely, 2^66737007031 is an apocalyptic number.

66737007031 is a deficient number, since it is larger than the sum of its proper divisors (1).

66737007031 is an equidigital number, since it uses as much as digits as its factorization.

66737007031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 40.

The spelling of 66737007031 in words is "sixty-six billion, seven hundred thirty-seven million, seven thousand, thirty-one".