1880558721168 has 80 divisors (see below), whose sum is σ = 4866213988800. Its totient is φ = 625808125440.

The previous prime is 1880558721149. The next prime is 1880558721241. The reversal of 1880558721168 is 8611278550881.

It is a super-2 number, since 2×1880558721168² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74291298 + ... + 74316606.

It is an arithmetic number, because the mean of its divisors is an integer number (60827674860).

Almost surely, 2^{1880558721168} is an apocalyptic number.

It is an amenable number.

1880558721168 is an abundant number, since it is smaller than the sum of its proper divisors (2985655267632).

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

1880558721168 is a wasteful number, since it uses less digits than its factorization.

1880558721168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27840 (or 27834 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 60.

The spelling of 1880558721168 in words is "one trillion, eight hundred eighty billion, five hundred fifty-eight million, seven hundred twenty-one thousand, one hundred sixty-eight".