54146261166 has 128 divisors (see below), whose sum is σ = 117592473600. Its totient is φ = 16582164480.

The previous prime is 54146261153. The next prime is 54146261167. The reversal of 54146261166 is 66116264145.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54146261167) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 125048886 + ... + 125049318.

It is an arithmetic number, because the mean of its divisors is an integer number (918691200).

Almost surely, 2^54146261166 is an apocalyptic number.

54146261166 is an abundant number, since it is smaller than the sum of its proper divisors (63446212434).

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

54146261166 is a wasteful number, since it uses less digits than its factorization.

54146261166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its digits is 207360, while the sum is 42.

The spelling of 54146261166 in words is "fifty-four billion, one hundred forty-six million, two hundred sixty-one thousand, one hundred sixty-six".