66707426379237 has 8 divisors (see below), whose sum is σ = 101649411625536. Its totient is φ = 38118529359552.

The previous prime is 66707426379137. The next prime is 66707426379241. The reversal of 66707426379237 is 73297362470766.

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

It is not a de Polignac number, because 66707426379237 - 2⁸ = 66707426378981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66707426379287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588272056628 + ... + 1588272056669.

It is an arithmetic number, because the mean of its divisors is an integer number (12706176453192).

Almost surely, 2^{66707426379237} is an apocalyptic number.

It is an amenable number.

66707426379237 is a deficient number, since it is larger than the sum of its proper divisors (34941985246299).

66707426379237 is a wasteful number, since it uses less digits than its factorization.

66707426379237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176544113307.

The product of its (nonzero) digits is 672126336, while the sum is 69.

The spelling of 66707426379237 in words is "sixty-six trillion, seven hundred seven billion, four hundred twenty-six million, three hundred seventy-nine thousand, two hundred thirty-seven".