16340725 has 12 divisors (see below), whose sum is σ = 20695104. Its totient is φ = 12793520.

The previous prime is 16340707. The next prime is 16340729. The reversal of 16340725 is 52704361.

It is not a de Polignac number, because 16340725 - 2¹⁵ = 16307957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16340693 and 16340702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16340729) 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, 5779 + ... + 8128.

It is an arithmetic number, because the mean of its divisors is an integer number (1724592).

Almost surely, 2^16340725 is an apocalyptic number.

It is an amenable number.

16340725 is a deficient number, since it is larger than the sum of its proper divisors (4354379).

16340725 is a wasteful number, since it uses less digits than its factorization.

16340725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13964 (or 13959 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 16340725 is about 4042.3662624755. The cubic root of 16340725 is about 253.7603553249.

The spelling of 16340725 in words is "sixteen million, three hundred forty thousand, seven hundred twenty-five".