168413506476 has 12 divisors (see below), whose sum is σ = 392964848472. Its totient is φ = 56137835488.

The previous prime is 168413506451. The next prime is 168413506493. The reversal of 168413506476 is 674605314861.

It is a tau number, because it is divible by the number of its divisors (12).

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, 7017229425 + ... + 7017229448.

It is an arithmetic number, because the mean of its divisors is an integer number (32747070706).

Almost surely, 2^168413506476 is an apocalyptic number.

It is an amenable number.

168413506476 is an abundant number, since it is smaller than the sum of its proper divisors (224551341996).

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

168413506476 is a wasteful number, since it uses less digits than its factorization.

168413506476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034458880 (or 14034458878 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 168413506476 in words is "one hundred sixty-eight billion, four hundred thirteen million, five hundred six thousand, four hundred seventy-six".