55668667164 has 48 divisors (see below), whose sum is σ = 145531860096. Its totient is φ = 16413364800.

The previous prime is 55668667147. The next prime is 55668667189. The reversal of 55668667164 is 46176686655.

It is a junction number, because it is equal to n+sod(n) for n = 55668667098 and 55668667107.

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, 5694202 + ... + 5703969.

It is an arithmetic number, because the mean of its divisors is an integer number (3031913752).

Almost surely, 2^55668667164 is an apocalyptic number.

It is an amenable number.

55668667164 is an abundant number, since it is smaller than the sum of its proper divisors (89863192932).

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

55668667164 is a wasteful number, since it uses less digits than its factorization.

55668667164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11398226 (or 11398224 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 60.

The spelling of 55668667164 in words is "fifty-five billion, six hundred sixty-eight million, six hundred sixty-seven thousand, one hundred sixty-four".