198163480 has 16 divisors (see below), whose sum is σ = 445867920. Its totient is φ = 79265376.

The previous prime is 198163463. The next prime is 198163481. The reversal of 198163480 is 84361891.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 4954087 = 198163480 / (1 + 9 + 8 + 1 + 6 + 3 + 4 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198163481) 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, 2477004 + ... + 2477083.

It is an arithmetic number, because the mean of its divisors is an integer number (27866745).

Almost surely, 2^198163480 is an apocalyptic number.

198163480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198163480 is an abundant number, since it is smaller than the sum of its proper divisors (247704440).

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

198163480 is a wasteful number, since it uses less digits than its factorization.

198163480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954098 (or 4954094 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 198163480 is about 14077.0550897551. The cubic root of 198163480 is about 583.0080348654.

The spelling of 198163480 in words is "one hundred ninety-eight million, one hundred sixty-three thousand, four hundred eighty".