16361320 has 16 divisors (see below), whose sum is σ = 36813060. Its totient is φ = 6544512.

The previous prime is 16361269. The next prime is 16361341. The reversal of 16361320 is 2316361.

It can be written as a sum of positive squares in 2 ways, for example, as 15665764 + 695556 = 3958^2 + 834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16361291 and 16361300.

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, 204477 + ... + 204556.

Almost surely, 2^16361320 is an apocalyptic number.

16361320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16361320 is an abundant number, since it is smaller than the sum of its proper divisors (20451740).

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

16361320 is a wasteful number, since it uses less digits than its factorization.

16361320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409044 (or 409040 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 16361320 is about 4044.9128544383. The cubic root of 16361320 is about 253.8669193533.

Adding to 16361320 its reverse (2316361), we get a palindrome (18677681).

The spelling of 16361320 in words is "sixteen million, three hundred sixty-one thousand, three hundred twenty".