54166212819 has 6 divisors (see below), whose sum is σ = 78240085196. Its totient is φ = 36110808540.

The previous prime is 54166212739. The next prime is 54166212823. The reversal of 54166212819 is 91821266145.

54166212819 is a `hidden beast` number, since 5 + 4 + 1 + 6 + 621 + 2 + 8 + 19 = 666.

54166212819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54166212819 - 2⁷ = 54166212691 is a prime.

It is a super-2 number, since 2×54166212819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54166212019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3009234037 + ... + 3009234054.

Almost surely, 2^54166212819 is an apocalyptic number.

54166212819 is a deficient number, since it is larger than the sum of its proper divisors (24073872377).

54166212819 is a wasteful number, since it uses less digits than its factorization.

54166212819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018468097 (or 6018468094 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 54166212819 in words is "fifty-four billion, one hundred sixty-six million, two hundred twelve thousand, eight hundred nineteen".