16625706 has 16 divisors (see below), whose sum is σ = 33291648. Its totient is φ = 5535200.

The previous prime is 16625701. The next prime is 16625723. The reversal of 16625706 is 60752661.

It is not an unprimeable number, because it can be changed into a prime (16625701) 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 7 ways as a sum of consecutive naturals, for example, 7951 + ... + 9821.

It is an arithmetic number, because the mean of its divisors is an integer number (2080728).

Almost surely, 2^16625706 is an apocalyptic number.

16625706 is an abundant number, since it is smaller than the sum of its proper divisors (16665942).

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

16625706 is a wasteful number, since it uses less digits than its factorization.

16625706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 16625706 is about 4077.4631819306. The cubic root of 16625706 is about 255.2270488358.

It can be divided in two parts, 1662570 and 6, that added together give a triangular number (1662576 = T₁₈₂₃).

The spelling of 16625706 in words is "sixteen million, six hundred twenty-five thousand, seven hundred six".