16198488 has 64 divisors (see below), whose sum is σ = 47376000. Its totient is φ = 5114016.

The previous prime is 16198477. The next prime is 16198513. The reversal of 16198488 is 88489161.

16198488 is a `hidden beast` number, since 161 + 9 + 8 + 488 = 666.

It is a super-2 number, since 2×16198488² = 524782026972288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 2131 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (740250).

Almost surely, 2^16198488 is an apocalyptic number.

16198488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16198488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23688000).

16198488 is an abundant number, since it is smaller than the sum of its proper divisors (31177512).

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

16198488 is a wasteful number, since it uses less digits than its factorization.

16198488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981 (or 3971 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 16198488 is about 4024.7345254066. The cubic root of 16198488 is about 253.0219273074.

The spelling of 16198488 in words is "sixteen million, one hundred ninety-eight thousand, four hundred eighty-eight".