166463045002613 has 4 divisors (see below), whose sum is σ = 166463852142048. Its totient is φ = 166462237863180.

The previous prime is 166463045002537. The next prime is 166463045002627. The reversal of 166463045002613 is 316200540364661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166463045002613 - 2⁸ = 166463045002357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166463045002313) 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, 403260281 + ... + 403672862.

It is an arithmetic number, because the mean of its divisors is an integer number (41615963035512).

Almost surely, 2^{166463045002613} is an apocalyptic number.

It is an amenable number.

166463045002613 is a deficient number, since it is larger than the sum of its proper divisors (807139435).

166463045002613 is an equidigital number, since it uses as much as digits as its factorization.

166463045002613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807139434.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 166463045002613 in words is "one hundred sixty-six trillion, four hundred sixty-three billion, forty-five million, two thousand, six hundred thirteen".