16534330 has 8 divisors (see below), whose sum is σ = 29761812. Its totient is φ = 6613728.

The previous prime is 16534307. The next prime is 16534333. The reversal of 16534330 is 3343561.

It can be written as a sum of positive squares in 2 ways, for example, as 14676561 + 1857769 = 3831^2 + 1363^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16534295 and 16534304.

It is not an unprimeable number, because it can be changed into a prime (16534333) 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, 826707 + ... + 826726.

Almost surely, 2^16534330 is an apocalyptic number.

16534330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16534330 is a deficient number, since it is larger than the sum of its proper divisors (13227482).

16534330 is a wasteful number, since it uses less digits than its factorization.

16534330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653440.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 16534330 is about 4066.2427374666. The cubic root of 16534330 is about 254.7586079067.

Adding to 16534330 its reverse (3343561), we get a palindrome (19877891).

The spelling of 16534330 in words is "sixteen million, five hundred thirty-four thousand, three hundred thirty".