16491460 has 24 divisors (see below), whose sum is σ = 36138816. Its totient is φ = 6309600.

The previous prime is 16491443. The next prime is 16491467. The reversal of 16491460 is 6419461.

It is not an unprimeable number, because it can be changed into a prime (16491467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17466 + ... + 18385.

It is an arithmetic number, because the mean of its divisors is an integer number (1505784).

Almost surely, 2^16491460 is an apocalyptic number.

16491460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16491460 is an abundant number, since it is smaller than the sum of its proper divisors (19647356).

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

16491460 is a wasteful number, since it uses less digits than its factorization.

16491460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35883 (or 35881 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16491460 is about 4060.9678649307. The cubic root of 16491460 is about 254.5382390503.

The spelling of 16491460 in words is "sixteen million, four hundred ninety-one thousand, four hundred sixty".