2258437816 has 16 divisors (see below), whose sum is σ = 4238548200. Its totient is φ = 1128158304.

The previous prime is 2258437807. The next prime is 2258437829. The reversal of 2258437816 is 6187348522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123490 + ... + 140593.

Almost surely, 2^2258437816 is an apocalyptic number.

It is an amenable number.

2258437816 is a deficient number, since it is larger than the sum of its proper divisors (1980110384).

2258437816 is a wasteful number, since it uses less digits than its factorization.

2258437816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265158 (or 265154 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 2258437816 is about 47523.0240620270. The cubic root of 2258437816 is about 1312.0066784684.

The spelling of 2258437816 in words is "two billion, two hundred fifty-eight million, four hundred thirty-seven thousand, eight hundred sixteen".