66737066674034 has 8 divisors (see below), whose sum is σ = 100105748390748. Its totient is φ = 33368483877120.

The previous prime is 66737066674027. The next prime is 66737066674037. The reversal of 66737066674034 is 43047666073766.

It can be written as a sum of positive squares in 2 ways, for example, as 51257681345809 + 15479385328225 = 7159447^2 + 3934385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66737066674037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23019647 + ... + 25756130.

Almost surely, 2^{66737066674034} is an apocalyptic number.

66737066674034 is a deficient number, since it is larger than the sum of its proper divisors (33368681716714).

66737066674034 is a wasteful number, since it uses less digits than its factorization.

66737066674034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49459900.

The product of its (nonzero) digits is 384072192, while the sum is 65.

The spelling of 66737066674034 in words is "sixty-six trillion, seven hundred thirty-seven billion, sixty-six million, six hundred seventy-four thousand, thirty-four".