54666066672 has 100 divisors (see below), whose sum is σ = 180822266416. Its totient is φ = 15618873600.

The previous prime is 54666066601. The next prime is 54666066691. The reversal of 54666066672 is 27666066645.

It is a happy number.

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, 3003829 + ... + 3021972.

Almost surely, 2^54666066672 is an apocalyptic number.

It is an amenable number.

54666066672 is an abundant number, since it is smaller than the sum of its proper divisors (126156199744).

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

54666066672 is a wasteful number, since it uses less digits than its factorization.

54666066672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025828 (or 6025813 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 54666066672 in words is "fifty-four billion, six hundred sixty-six million, sixty-six thousand, six hundred seventy-two".