1945055168 has 56 divisors (see below), whose sum is σ = 4602918912. Its totient is φ = 797347584.

The previous prime is 1945055113. The next prime is 1945055173. The reversal of 1945055168 is 8615505491.

It is a tau number, because it is divible by the number of its divisors (56).

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 7 ways as a sum of consecutive naturals, for example, 84080 + ... + 104687.

Almost surely, 2^1945055168 is an apocalyptic number.

It is an amenable number.

1945055168 is an abundant number, since it is smaller than the sum of its proper divisors (2657863744).

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

1945055168 is a wasteful number, since it uses less digits than its factorization.

1945055168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188809 (or 188799 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 1945055168 is about 44102.7795949416. The cubic root of 1945055168 is about 1248.2760593559.

The spelling of 1945055168 in words is "one billion, nine hundred forty-five million, fifty-five thousand, one hundred sixty-eight".