16063616 has 16 divisors (see below), whose sum is σ = 32001990. Its totient is φ = 8031744.

The previous prime is 16063609. The next prime is 16063627. The reversal of 16063616 is 61636061.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 3841600 = 3496^2 + 1960^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62621 + ... + 62876.

Almost surely, 2^16063616 is an apocalyptic number.

16063616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16063616 is a deficient number, since it is larger than the sum of its proper divisors (15938374).

16063616 is an equidigital number, since it uses as much as digits as its factorization.

16063616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125511 (or 125499 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16063616 is about 4007.9441113868. The cubic root of 16063616 is about 252.3177314146.

Adding to 16063616 its reverse (61636061), we get a palindrome (77699677).

The spelling of 16063616 in words is "sixteen million, sixty-three thousand, six hundred sixteen".