16161536 has 18 divisors (see below), whose sum is σ = 32260452. Its totient is φ = 8080640.

The previous prime is 16161529. The next prime is 16161547. The reversal of 16161536 is 63516161.

It is a super-2 number, since 2×16161536² = 522390491758592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16161499 and 16161508.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31310 + ... + 31821.

Almost surely, 2^16161536 is an apocalyptic number.

16161536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16161536 is a deficient number, since it is larger than the sum of its proper divisors (16098916).

16161536 is an frugal number, since it uses more digits than its factorization.

16161536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63147 (or 63133 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 16161536 is about 4020.1412910494. The cubic root of 16161536 is about 252.8293829010.

Adding to 16161536 its reverse (63516161), we get a palindrome (79677697).

The spelling of 16161536 in words is "sixteen million, one hundred sixty-one thousand, five hundred thirty-six".