166425152245 has 16 divisors (see below), whose sum is σ = 218100237120. Its totient is φ = 120906150400.

The previous prime is 166425152239. The next prime is 166425152249. The reversal of 166425152245 is 542251524661.

It is a happy number.

It is not a de Polignac number, because 166425152245 - 2¹⁷ = 166425021173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166425152249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577491 + ... + 1679680.

It is an arithmetic number, because the mean of its divisors is an integer number (13631264820).

Almost surely, 2^166425152245 is an apocalyptic number.

It is an amenable number.

166425152245 is a deficient number, since it is larger than the sum of its proper divisors (51675084875).

166425152245 is a wasteful number, since it uses less digits than its factorization.

166425152245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258116.

The product of its digits is 576000, while the sum is 43.

The spelling of 166425152245 in words is "one hundred sixty-six billion, four hundred twenty-five million, one hundred fifty-two thousand, two hundred forty-five".