20415465305166 has 8 divisors (see below), whose sum is σ = 40830930610344. Its totient is φ = 6805155101720.

The previous prime is 20415465305141. The next prime is 20415465305227. The reversal of 20415465305166 is 66150356451402.

It is a happy number.

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

20415465305166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701288775425 + ... + 1701288775436.

It is an arithmetic number, because the mean of its divisors is an integer number (5103866326293).

Almost surely, 2^{20415465305166} is an apocalyptic number.

20415465305166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20415465305166 is a wasteful number, since it uses less digits than its factorization.

20415465305166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402577550866.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 20415465305166 in words is "twenty trillion, four hundred fifteen billion, four hundred sixty-five million, three hundred five thousand, one hundred sixty-six".