16100812 has 72 divisors (see below), whose sum is σ = 36197280. Its totient is φ = 6209280.

The previous prime is 16100797. The next prime is 16100813. The reversal of 16100812 is 21800161.

It is a super-2 number, since 2×16100812² = 518472294118688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16100812.

It is not an unprimeable number, because it can be changed into a prime (16100813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180864 + ... + 180952.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^16100812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16100812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18098640).

16100812 is an abundant number, since it is smaller than the sum of its proper divisors (20096468).

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

16100812 is a wasteful number, since it uses less digits than its factorization.

16100812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 16100812 is about 4012.5817125636. The cubic root of 16100812 is about 252.5123321755.

Adding to 16100812 its reverse (21800161), we get a palindrome (37900973).

The spelling of 16100812 in words is "sixteen million, one hundred thousand, eight hundred twelve".