53516166012 has 36 divisors (see below), whose sum is σ = 135338581560. Its totient is φ = 17830598112.

The previous prime is 53516166001. The next prime is 53516166089. The reversal of 53516166012 is 21066161535.

53516166012 is a `hidden beast` number, since 5 + 35 + 1 + 6 + 16 + 601 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 258087 + ... + 416702.

Almost surely, 2^53516166012 is an apocalyptic number.

It is an amenable number.

53516166012 is an abundant number, since it is smaller than the sum of its proper divisors (81822415548).

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

53516166012 is a wasteful number, since it uses less digits than its factorization.

53516166012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677002 (or 676997 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 53516166012 in words is "fifty-three billion, five hundred sixteen million, one hundred sixty-six thousand, twelve".