66737000340371 has 2 divisors, whose sum is σ = 66737000340372. Its totient is φ = 66737000340370.

The previous prime is 66737000340349. The next prime is 66737000340377. The reversal of 66737000340371 is 17304300073766.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66737000340371 is a prime.

It is not a weakly prime, because it can be changed into another prime (66737000340377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33368500170185 + 33368500170186.

It is an arithmetic number, because the mean of its divisors is an integer number (33368500170186).

Almost surely, 2^{66737000340371} is an apocalyptic number.

66737000340371 is a deficient number, since it is larger than the sum of its proper divisors (1).

66737000340371 is an equidigital number, since it uses as much as digits as its factorization.

66737000340371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 47.

The spelling of 66737000340371 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred forty thousand, three hundred seventy-one".