16126990 has 16 divisors (see below), whose sum is σ = 31667760. Its totient is φ = 5864320.

The previous prime is 16126961. The next prime is 16126993. The reversal of 16126990 is 9962161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16126993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73195 + ... + 73414.

It is an arithmetic number, because the mean of its divisors is an integer number (1979235).

Almost surely, 2^16126990 is an apocalyptic number.

16126990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16126990 is a deficient number, since it is larger than the sum of its proper divisors (15540770).

16126990 is a wasteful number, since it uses less digits than its factorization.

16126990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146627.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 16126990 is about 4015.8423773848. The cubic root of 16126990 is about 252.6491097194.

The spelling of 16126990 in words is "sixteen million, one hundred twenty-six thousand, nine hundred ninety".