16992601 has 4 divisors (see below), whose sum is σ = 17143092. Its totient is φ = 16842112.

The previous prime is 16992559. The next prime is 16992617. The reversal of 16992601 is 10629961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10629961 = 317 ⋅33533.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 14745600 = 1499^2 + 3840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16992601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16992671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75076 + ... + 75301.

It is an arithmetic number, because the mean of its divisors is an integer number (4285773).

Almost surely, 2^16992601 is an apocalyptic number.

It is an amenable number.

16992601 is a deficient number, since it is larger than the sum of its proper divisors (150491).

16992601 is a wasteful number, since it uses less digits than its factorization.

16992601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150490.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 16992601 is about 4122.2082674217. The cubic root of 16992601 is about 257.0908499026.

The spelling of 16992601 in words is "sixteen million, nine hundred ninety-two thousand, six hundred one".