166025476399 has 8 divisors (see below), whose sum is σ = 173306770560. Its totient is φ = 158864534400.

The previous prime is 166025476391. The next prime is 166025476417. The reversal of 166025476399 is 993674520661.

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

It is not a de Polignac number, because 166025476399 - 2³ = 166025476391 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 (166025476391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30085222 + ... + 30090739.

It is an arithmetic number, because the mean of its divisors is an integer number (21663346320).

Almost surely, 2^166025476399 is an apocalyptic number.

166025476399 is a deficient number, since it is larger than the sum of its proper divisors (7281294161).

166025476399 is an equidigital number, since it uses as much as digits as its factorization.

166025476399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60176081.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 166025476399 in words is "one hundred sixty-six billion, twenty-five million, four hundred seventy-six thousand, three hundred ninety-nine".