16491070 has 16 divisors (see below), whose sum is σ = 30642048. Its totient is φ = 6383520.

The previous prime is 16491029. The next prime is 16491089. The reversal of 16491070 is 7019461.

It is a congruent number.

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, 26289 + ... + 26908.

It is an arithmetic number, because the mean of its divisors is an integer number (1915128).

Almost surely, 2^16491070 is an apocalyptic number.

16491070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16491070 is a deficient number, since it is larger than the sum of its proper divisors (14150978).

16491070 is a wasteful number, since it uses less digits than its factorization.

16491070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53235.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16491070 is about 4060.9198465372. The cubic root of 16491070 is about 254.5362325431.

The spelling of 16491070 in words is "sixteen million, four hundred ninety-one thousand, seventy".