16490132 has 12 divisors (see below), whose sum is σ = 28891296. Its totient is φ = 8235480.

The previous prime is 16490129. The next prime is 16490137. The reversal of 16490132 is 23109461.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16490137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657 + ... + 6327.

It is an arithmetic number, because the mean of its divisors is an integer number (2407608).

Almost surely, 2^16490132 is an apocalyptic number.

It is an amenable number.

16490132 is a deficient number, since it is larger than the sum of its proper divisors (12401164).

16490132 is a wasteful number, since it uses less digits than its factorization.

16490132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16490132 is about 4060.8043538196. The cubic root of 16490132 is about 254.5314065067.

Adding to 16490132 its reverse (23109461), we get a palindrome (39599593).

The spelling of 16490132 in words is "sixteen million, four hundred ninety thousand, one hundred thirty-two".