16700445 has 16 divisors (see below), whose sum is σ = 29689920. Its totient is φ = 8906832.

The previous prime is 16700441. The next prime is 16700473. The reversal of 16700445 is 54400761.

It is not a de Polignac number, because 16700445 - 2² = 16700441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16700441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61719 + ... + 61988.

It is an arithmetic number, because the mean of its divisors is an integer number (1855620).

Almost surely, 2^16700445 is an apocalyptic number.

16700445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16700445 is a deficient number, since it is larger than the sum of its proper divisors (12989475).

16700445 is a wasteful number, since it uses less digits than its factorization.

16700445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123721 (or 123715 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16700445 is about 4086.6177947051. The cubic root of 16700445 is about 255.6089253865.

The spelling of 16700445 in words is "sixteen million, seven hundred thousand, four hundred forty-five".