16799478 has 8 divisors (see below), whose sum is σ = 33598968. Its totient is φ = 5599824.

The previous prime is 16799467. The next prime is 16799479. The reversal of 16799478 is 87499761.

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

16799478 is an admirable number.

It is a super-2 number, since 2×16799478² = 564444922144968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16799478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16799479) 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 3 ways as a sum of consecutive naturals, for example, 1399951 + ... + 1399962.

It is an arithmetic number, because the mean of its divisors is an integer number (4199871).

Almost surely, 2^16799478 is an apocalyptic number.

16799478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16799478 is a wasteful number, since it uses less digits than its factorization.

16799478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799918.

The product of its digits is 762048, while the sum is 51.

The square root of 16799478 is about 4098.7166284094. The cubic root of 16799478 is about 256.1131803418.

The spelling of 16799478 in words is "sixteen million, seven hundred ninety-nine thousand, four hundred seventy-eight".