53166976518 has 32 divisors (see below), whose sum is σ = 112072890240. Its totient is φ = 16768209600.

The previous prime is 53166976481. The next prime is 53166976561. The reversal of 53166976518 is 81567966135.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206583 + ... + 386018.

It is an arithmetic number, because the mean of its divisors is an integer number (3502277820).

Almost surely, 2^53166976518 is an apocalyptic number.

53166976518 is an abundant number, since it is smaller than the sum of its proper divisors (58905913722).

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

53166976518 is a wasteful number, since it uses less digits than its factorization.

53166976518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593412.

The product of its digits is 8164800, while the sum is 57.

The spelling of 53166976518 in words is "fifty-three billion, one hundred sixty-six million, nine hundred seventy-six thousand, five hundred eighteen".