66740337367 has 16 divisors (see below), whose sum is σ = 74585871360. Its totient is φ = 59194396800.

The previous prime is 66740337361. The next prime is 66740337371. The reversal of 66740337367 is 76373304766.

It is not a de Polignac number, because 66740337367 - 2³¹ = 64592853719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66740337361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336634 + ... + 496792.

It is an arithmetic number, because the mean of its divisors is an integer number (4661616960).

Almost surely, 2^66740337367 is an apocalyptic number.

66740337367 is a deficient number, since it is larger than the sum of its proper divisors (7845533993).

66740337367 is a wasteful number, since it uses less digits than its factorization.

66740337367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161094.

The product of its (nonzero) digits is 8001504, while the sum is 52.

The spelling of 66740337367 in words is "sixty-six billion, seven hundred forty million, three hundred thirty-seven thousand, three hundred sixty-seven".