16940177 has 8 divisors (see below), whose sum is σ = 18123336. Its totient is φ = 15777792.

The previous prime is 16940159. The next prime is 16940197. The reversal of 16940177 is 77104961.

It can be written as a sum of positive squares in 4 ways, for example, as 2202256 + 14737921 = 1484^2 + 3839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16940177 - 2⁶ = 16940113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16940197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3488 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (2265417).

Almost surely, 2^16940177 is an apocalyptic number.

16940177 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16940177 is a deficient number, since it is larger than the sum of its proper divisors (1183159).

16940177 is a wasteful number, since it uses less digits than its factorization.

16940177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 16940177 is about 4115.8446277769. The cubic root of 16940177 is about 256.8261932519.

The spelling of 16940177 in words is "sixteen million, nine hundred forty thousand, one hundred seventy-seven".