16191468 has 24 divisors (see below), whose sum is σ = 41978160. Its totient is φ = 5397120.

The previous prime is 16191457. The next prime is 16191491. The reversal of 16191468 is 86419161.

It is a happy number.

16191468 is a `hidden beast` number, since 1 + 6 + 191 + 468 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74853 + ... + 75068.

It is an arithmetic number, because the mean of its divisors is an integer number (1749090).

Almost surely, 2^16191468 is an apocalyptic number.

16191468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16191468 is an abundant number, since it is smaller than the sum of its proper divisors (25786692).

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

16191468 is a wasteful number, since it uses less digits than its factorization.

16191468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149934 (or 149926 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 16191468 is about 4023.8623236885. The cubic root of 16191468 is about 252.9853710029.

The spelling of 16191468 in words is "sixteen million, one hundred ninety-one thousand, four hundred sixty-eight".