16649954 has 8 divisors (see below), whose sum is σ = 25171968. Its totient is φ = 8259300.

The previous prime is 16649933. The next prime is 16649957. The reversal of 16649954 is 45994661.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16649957) 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, 32522 + ... + 33029.

It is an arithmetic number, because the mean of its divisors is an integer number (3146496).

Almost surely, 2^16649954 is an apocalyptic number.

16649954 is a deficient number, since it is larger than the sum of its proper divisors (8522014).

16649954 is a wasteful number, since it uses less digits than its factorization.

16649954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65680.

The product of its digits is 233280, while the sum is 44.

The square root of 16649954 is about 4080.4355159713. The cubic root of 16649954 is about 255.3510684158.

The spelling of 16649954 in words is "sixteen million, six hundred forty-nine thousand, nine hundred fifty-four".