16301616 has 20 divisors (see below), whose sum is σ = 42112632. Its totient is φ = 5433856.

The previous prime is 16301611. The next prime is 16301627. The reversal of 16301616 is 61610361.

It is a super-2 number, since 2×16301616² = 531485368422912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16301611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169761 + ... + 169856.

Almost surely, 2^16301616 is an apocalyptic number.

16301616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16301616 is an abundant number, since it is smaller than the sum of its proper divisors (25811016).

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

16301616 is a wasteful number, since it uses less digits than its factorization.

16301616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339628 (or 339622 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 16301616 is about 4037.5259751486. The cubic root of 16301616 is about 253.5577482044.

Adding to 16301616 its reverse (61610361), we get a palindrome (77911977).

The spelling of 16301616 in words is "sixteen million, three hundred one thousand, six hundred sixteen".