16106725 has 12 divisors (see below), whose sum is σ = 20438176. Its totient is φ = 12584880.

The previous prime is 16106711. The next prime is 16106747. The reversal of 16106725 is 52760161.

16106725 = 110² + 111² + ... + 367².

It is not a de Polignac number, because 16106725 - 2²¹ = 14009573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16106693 and 16106702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6417 + ... + 8566.

Almost surely, 2^16106725 is an apocalyptic number.

It is an amenable number.

16106725 is a deficient number, since it is larger than the sum of its proper divisors (4331451).

16106725 is a wasteful number, since it uses less digits than its factorization.

16106725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15036 (or 15031 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 16106725 is about 4013.3184523534. The cubic root of 16106725 is about 252.5432399889.

Adding to 16106725 its reverse (52760161), we get a palindrome (68866886).

The spelling of 16106725 in words is "sixteen million, one hundred six thousand, seven hundred twenty-five".