66736740037334 has 4 divisors (see below), whose sum is σ = 100105110056004. Its totient is φ = 33368370018666.

The previous prime is 66736740037301. The next prime is 66736740037349. The reversal of 66736740037334 is 43373004763766.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16684185009332 + ... + 16684185009335.

It is an arithmetic number, because the mean of its divisors is an integer number (25026277514001).

Almost surely, 2^{66736740037334} is an apocalyptic number.

66736740037334 is a deficient number, since it is larger than the sum of its proper divisors (33368370018670).

66736740037334 is a wasteful number, since it uses less digits than its factorization.

66736740037334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33368370018669.

The product of its (nonzero) digits is 96018048, while the sum is 59.

The spelling of 66736740037334 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred forty million, thirty-seven thousand, three hundred thirty-four".