16701601 has 6 divisors (see below), whose sum is σ = 19428450. Its totient is φ = 14315616.

The previous prime is 16701577. The next prime is 16701623. The reversal of 16701601 is 10610761.

It can be written as a sum of positive squares in only one way, i.e., 15808576 + 893025 = 3976^2 + 945^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16701601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16701631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170376 + ... + 170473.

It is an arithmetic number, because the mean of its divisors is an integer number (3238075).

Almost surely, 2^16701601 is an apocalyptic number.

It is an amenable number.

16701601 is a deficient number, since it is larger than the sum of its proper divisors (2726849).

16701601 is an equidigital number, since it uses as much as digits as its factorization.

16701601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340863 (or 340856 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 16701601 is about 4086.7592295118. The cubic root of 16701601 is about 255.6148229759.

The spelling of 16701601 in words is "sixteen million, seven hundred one thousand, six hundred one".