66737000340377 has 2 divisors, whose sum is σ = 66737000340378. Its totient is φ = 66737000340376.

The previous prime is 66737000340371. The next prime is 66737000340427. The reversal of 66737000340377 is 77304300073766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66707337511936 + 29662828441 = 8167456^2 + 172229^2 .

It is a cyclic number.

It is not a de Polignac number, because 66737000340377 - 2¹⁰ = 66737000339353 is a prime.

It is not a weakly prime, because it can be changed into another prime (66737000340371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33368500170188 + 33368500170189.

It is an arithmetic number, because the mean of its divisors is an integer number (33368500170189).

Almost surely, 2^{66737000340377} is an apocalyptic number.

It is an amenable number.

66737000340377 is a deficient number, since it is larger than the sum of its proper divisors (1).

66737000340377 is an equidigital number, since it uses as much as digits as its factorization.

66737000340377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9335088, while the sum is 53.

The spelling of 66737000340377 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred forty thousand, three hundred seventy-seven".