55330446168 has 160 divisors (see below), whose sum is σ = 160189722000. Its totient is φ = 17829497088.

The previous prime is 55330446167. The next prime is 55330446169. The reversal of 55330446168 is 86164403355.

55330446168 is a `hidden beast` number, since 553 + 30 + 4 + 4 + 6 + 1 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (55330446167) and next prime (55330446169).

It is a super-2 number, since 2×55330446168² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55330446163) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3756883 + ... + 3771581.

Almost surely, 2^55330446168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55330446168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80094861000).

55330446168 is an abundant number, since it is smaller than the sum of its proper divisors (104859275832).

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

55330446168 is a wasteful number, since it uses less digits than its factorization.

55330446168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14911 (or 14898 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 55330446168 in words is "fifty-five billion, three hundred thirty million, four hundred forty-six thousand, one hundred sixty-eight".