66773259311361 has 8 divisors (see below), whose sum is σ = 93716855173920. Its totient is φ = 42172584828192.

The previous prime is 66773259311347. The next prime is 66773259311377. The reversal of 66773259311361 is 16311395237766.

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

It is not a de Polignac number, because 66773259311361 - 2¹³ = 66773259303169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66773259311295 and 66773259311304.

It is not an unprimeable number, because it can be changed into a prime (66773259315361) 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, 585730344780 + ... + 585730344893.

It is an arithmetic number, because the mean of its divisors is an integer number (11714606896740).

Almost surely, 2^{66773259311361} is an apocalyptic number.

It is an amenable number.

66773259311361 is a deficient number, since it is larger than the sum of its proper divisors (26943595862559).

66773259311361 is a wasteful number, since it uses less digits than its factorization.

66773259311361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171460689695.

The product of its digits is 25719120, while the sum is 60.

The spelling of 66773259311361 in words is "sixty-six trillion, seven hundred seventy-three billion, two hundred fifty-nine million, three hundred eleven thousand, three hundred sixty-one".