53478086166 has 40 divisors (see below), whose sum is σ = 126137403480. Its totient is φ = 16887815712.

The previous prime is 53478086149. The next prime is 53478086177. The reversal of 53478086166 is 66168087435.

53478086166 is a `hidden beast` number, since 5 + 3 + 478 + 0 + 8 + 6 + 166 = 666.

53478086166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8684071 + ... + 8690226.

It is an arithmetic number, because the mean of its divisors is an integer number (3153435087).

Almost surely, 2^53478086166 is an apocalyptic number.

53478086166 is an abundant number, since it is smaller than the sum of its proper divisors (72659317314).

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

53478086166 is a wasteful number, since it uses less digits than its factorization.

53478086166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17374330 (or 17374321 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 53478086166 in words is "fifty-three billion, four hundred seventy-eight million, eighty-six thousand, one hundred sixty-six".