66736707340737 has 16 divisors (see below), whose sum is σ = 102593977407360. Its totient is φ = 37797781147392.

The previous prime is 66736707340673. The next prime is 66736707340757. The reversal of 66736707340737 is 73704370763766.

It is not a de Polignac number, because 66736707340737 - 2⁶ = 66736707340673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66736707340757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14061672162 + ... + 14061676907.

It is an arithmetic number, because the mean of its divisors is an integer number (6412123587960).

Almost surely, 2^{66736707340737} is an apocalyptic number.

It is an amenable number.

66736707340737 is a deficient number, since it is larger than the sum of its proper divisors (35857270066623).

66736707340737 is a wasteful number, since it uses less digits than its factorization.

66736707340737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28123349192.

The product of its (nonzero) digits is 392073696, while the sum is 66.

The spelling of 66736707340737 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred seven million, three hundred forty thousand, seven hundred thirty-seven".