66617146361 has 8 divisors (see below), whose sum is σ = 67030579200. Its totient is φ = 66204387360.

The previous prime is 66617146319. The next prime is 66617146367. The reversal of 66617146361 is 16364171666.

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

It is a cyclic number.

It is not a de Polignac number, because 66617146361 - 2²² = 66612952057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66617146367) 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, 30605 + ... + 366293.

It is an arithmetic number, because the mean of its divisors is an integer number (8378822400).

Almost surely, 2^66617146361 is an apocalyptic number.

It is an amenable number.

66617146361 is a deficient number, since it is larger than the sum of its proper divisors (413432839).

66617146361 is a wasteful number, since it uses less digits than its factorization.

66617146361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336919.

The product of its digits is 653184, while the sum is 47.

The spelling of 66617146361 in words is "sixty-six billion, six hundred seventeen million, one hundred forty-six thousand, three hundred sixty-one".