16054978 has 8 divisors (see below), whose sum is σ = 24111180. Its totient is φ = 8017920.

The previous prime is 16054901. The next prime is 16054991. The reversal of 16054978 is 87945061.

It can be written as a sum of positive squares in 2 ways, for example, as 10452289 + 5602689 = 3233^2 + 2367^2 .

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 16054978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463 + ... + 6178.

Almost surely, 2^16054978 is an apocalyptic number.

16054978 is a deficient number, since it is larger than the sum of its proper divisors (8056202).

16054978 is an equidigital number, since it uses as much as digits as its factorization.

16054978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 16054978 is about 4006.8663566433. The cubic root of 16054978 is about 252.2724964491.

The spelling of 16054978 in words is "sixteen million, fifty-four thousand, nine hundred seventy-eight".