16391606 has 32 divisors (see below), whose sum is σ = 30889728. Its totient is φ = 6337440.

The previous prime is 16391569. The next prime is 16391633. The reversal of 16391606 is 60619361.

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, 24776 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (965304).

Almost surely, 2^16391606 is an apocalyptic number.

16391606 is a deficient number, since it is larger than the sum of its proper divisors (14498122).

16391606 is a wasteful number, since it uses less digits than its factorization.

16391606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 16391606 is about 4048.6548383383. The cubic root of 16391606 is about 254.0234648791.

The spelling of 16391606 in words is "sixteen million, three hundred ninety-one thousand, six hundred six".