258181996 has 12 divisors (see below), whose sum is σ = 452207448. Its totient is φ = 128979872.

The previous prime is 258181993. The next prime is 258181997. The reversal of 258181996 is 699181852.

258181996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (258181991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22441 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (37683954).

Almost surely, 2^258181996 is an apocalyptic number.

It is an amenable number.

258181996 is a deficient number, since it is larger than the sum of its proper divisors (194025452).

258181996 is a wasteful number, since it uses less digits than its factorization.

258181996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55568 (or 55566 counting only the distinct ones).

The product of its digits is 311040, while the sum is 49.

The square root of 258181996 is about 16068.0426934957. The cubic root of 258181996 is about 636.7593313159.

The spelling of 258181996 in words is "two hundred fifty-eight million, one hundred eighty-one thousand, nine hundred ninety-six".