16100025 has 12 divisors (see below), whose sum is σ = 26618832. Its totient is φ = 8586640.

The previous prime is 16099987. The next prime is 16100027. The reversal of 16100025 is 52000161.

It is not a de Polignac number, because 16100025 - 2⁹ = 16099513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 16099977 and 16100013.

It is not an unprimeable number, because it can be changed into a prime (16100027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107259 + ... + 107408.

It is an arithmetic number, because the mean of its divisors is an integer number (2218236).

Almost surely, 2^16100025 is an apocalyptic number.

16100025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16100025 is a deficient number, since it is larger than the sum of its proper divisors (10518807).

16100025 is a wasteful number, since it uses less digits than its factorization.

16100025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214680 (or 214675 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 16100025 is about 4012.4836448265. The cubic root of 16100025 is about 252.5082178811.

Adding to 16100025 its reverse (52000161), we get a palindrome (68100186).

The spelling of 16100025 in words is "sixteen million, one hundred thousand, twenty-five".