16919954 has 8 divisors (see below), whose sum is σ = 25397388. Its totient is φ = 8454160.

The previous prime is 16919923. The next prime is 16919957. The reversal of 16919954 is 45991961.

It can be written as a sum of positive squares in 2 ways, for example, as 16589329 + 330625 = 4073^2 + 575^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16919957) 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, 4244 + ... + 7200.

Almost surely, 2^16919954 is an apocalyptic number.

16919954 is a deficient number, since it is larger than the sum of its proper divisors (8477434).

16919954 is a wasteful number, since it uses less digits than its factorization.

16919954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820.

The product of its digits is 87480, while the sum is 44.

The square root of 16919954 is about 4113.3871687455. The cubic root of 16919954 is about 256.7239537801.

The spelling of 16919954 in words is "sixteen million, nine hundred nineteen thousand, nine hundred fifty-four".