166324016247 has 8 divisors (see below), whose sum is σ = 221777760240. Its totient is φ = 110876474880.

The previous prime is 166324016227. The next prime is 166324016269. The reversal of 166324016247 is 742610423661.

It is a happy number.

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

It is not a de Polignac number, because 166324016247 - 2¹⁵ = 166323983479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166324016199 and 166324016208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166324016227) 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, 1487722 + ... + 1595607.

It is an arithmetic number, because the mean of its divisors is an integer number (27722220030).

Almost surely, 2^166324016247 is an apocalyptic number.

166324016247 is a deficient number, since it is larger than the sum of its proper divisors (55453743993).

166324016247 is a wasteful number, since it uses less digits than its factorization.

166324016247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101313.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 166324016247 in words is "one hundred sixty-six billion, three hundred twenty-four million, sixteen thousand, two hundred forty-seven".