16649158 has 8 divisors (see below), whose sum is σ = 25008840. Its totient is φ = 8312880.

The previous prime is 16649153. The next prime is 16649159. The reversal of 16649158 is 85194661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16649158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16649153) 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, 3948 + ... + 6991.

It is an arithmetic number, because the mean of its divisors is an integer number (3126105).

Almost surely, 2^16649158 is an apocalyptic number.

16649158 is a deficient number, since it is larger than the sum of its proper divisors (8359682).

16649158 is a wasteful number, since it uses less digits than its factorization.

16649158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702.

The product of its digits is 51840, while the sum is 40.

The square root of 16649158 is about 4080.3379761976. The cubic root of 16649158 is about 255.3469990815.

It can be divided in two parts, 16649 and 158, that added together give a 5-th power (16807 = 7⁵).

The spelling of 16649158 in words is "sixteen million, six hundred forty-nine thousand, one hundred fifty-eight".