166465336615434 has 48 divisors (see below), whose sum is σ = 364093142467392. Its totient is φ = 54963172623744.

The previous prime is 166465336615427. The next prime is 166465336615451. The reversal of 166465336615434 is 434516633564661.

166465336615434 is a `hidden beast` number, since 1 + 6 + 6 + 4 + 6 + 5 + 3 + 3 + 6 + 615 + 4 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22195384 + ... + 28732659.

It is an arithmetic number, because the mean of its divisors is an integer number (7585273801404).

Almost surely, 2^{166465336615434} is an apocalyptic number.

166465336615434 is an abundant number, since it is smaller than the sum of its proper divisors (197627805851958).

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

166465336615434 is a wasteful number, since it uses less digits than its factorization.

166465336615434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50929771 (or 50929768 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 63.

The spelling of 166465336615434 in words is "one hundred sixty-six trillion, four hundred sixty-five billion, three hundred thirty-six million, six hundred fifteen thousand, four hundred thirty-four".