166640246061313 has 8 divisors (see below), whose sum is σ = 167149751277600. Its totient is φ = 166131108325728.

The previous prime is 166640246061281. The next prime is 166640246061347. The reversal of 166640246061313 is 313160642046661.

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 166640246061313 - 2⁵ = 166640246061281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166640246061013) 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, 90961843 + ... + 92775736.

It is an arithmetic number, because the mean of its divisors is an integer number (20893718909700).

Almost surely, 2^{166640246061313} is an apocalyptic number.

It is an amenable number.

166640246061313 is a deficient number, since it is larger than the sum of its proper divisors (509505216287).

166640246061313 is a wasteful number, since it uses less digits than its factorization.

166640246061313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183740351.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 166640246061313 in words is "one hundred sixty-six trillion, six hundred forty billion, two hundred forty-six million, sixty-one thousand, three hundred thirteen".