16697070 has 128 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 3991680.

The previous prime is 16697041. The next prime is 16697117. The reversal of 16697070 is 7079661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235135 + ... + 235205.

It is an arithmetic number, because the mean of its divisors is an integer number (385560).

Almost surely, 2^16697070 is an apocalyptic number.

16697070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16697070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24675840).

16697070 is an abundant number, since it is smaller than the sum of its proper divisors (32654610).

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

16697070 is a wasteful number, since it uses less digits than its factorization.

16697070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 16697070 is about 4086.2048406804. The cubic root of 16697070 is about 255.5917055211.

The spelling of 16697070 in words is "sixteen million, six hundred ninety-seven thousand, seventy".