198157468 has 6 divisors (see below), whose sum is σ = 346775576. Its totient is φ = 99078732.

The previous prime is 198157439. The next prime is 198157471. The reversal of 198157468 is 864751891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24769680 + ... + 24769687.

Almost surely, 2^198157468 is an apocalyptic number.

It is an amenable number.

198157468 is a deficient number, since it is larger than the sum of its proper divisors (148618108).

198157468 is a wasteful number, since it uses less digits than its factorization.

198157468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49539371 (or 49539369 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The square root of 198157468 is about 14076.8415491544. The cubic root of 198157468 is about 583.0021389257.

The spelling of 198157468 in words is "one hundred ninety-eight million, one hundred fifty-seven thousand, four hundred sixty-eight".