16409701 has 16 divisors (see below), whose sum is σ = 20850048. Its totient is φ = 12542400.

The previous prime is 16409693. The next prime is 16409713. The reversal of 16409701 is 10790461.

It is a cyclic number.

It is not a de Polignac number, because 16409701 - 2³ = 16409693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16409701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401701) 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 15 ways as a sum of consecutive naturals, for example, 2071 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (1303128).

Almost surely, 2^16409701 is an apocalyptic number.

16409701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16409701 is a deficient number, since it is larger than the sum of its proper divisors (4440347).

16409701 is a wasteful number, since it uses less digits than its factorization.

16409701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16409701 is about 4050.8889147939. Note that the first 3 decimals coincide. The cubic root of 16409701 is about 254.1169042535.

The spelling of 16409701 in words is "sixteen million, four hundred nine thousand, seven hundred one".