16799955 has 32 divisors (see below), whose sum is σ = 28062720. Its totient is φ = 8574720.

The previous prime is 16799953. The next prime is 16799977. The reversal of 16799955 is 55999761.

16799955 = T₂₉₈ + T₂₉₉ + ... + T₅₀₂.

It is a happy number.

It is not a de Polignac number, because 16799955 - 2¹ = 16799953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16799898 and 16799907.

It is not an unprimeable number, because it can be changed into a prime (16799953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36054 + ... + 36516.

It is an arithmetic number, because the mean of its divisors is an integer number (876960).

Almost surely, 2^16799955 is an apocalyptic number.

16799955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16799955 is a deficient number, since it is larger than the sum of its proper divisors (11262765).

16799955 is a wasteful number, since it uses less digits than its factorization.

16799955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 765450, while the sum is 51.

The square root of 16799955 is about 4098.7748169423. The cubic root of 16799955 is about 256.1156043224.

The spelling of 16799955 in words is "sixteen million, seven hundred ninety-nine thousand, nine hundred fifty-five".