16642196 has 6 divisors (see below), whose sum is σ = 29123850. Its totient is φ = 8321096.

The previous prime is 16642177. The next prime is 16642211. The reversal of 16642196 is 69124661.

It can be written as a sum of positive squares in only one way, i.e., 8880400 + 7761796 = 2980^2 + 2786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080271 + ... + 2080278.

It is an arithmetic number, because the mean of its divisors is an integer number (4853975).

Almost surely, 2^16642196 is an apocalyptic number.

It is an amenable number.

16642196 is a deficient number, since it is larger than the sum of its proper divisors (12481654).

16642196 is a wasteful number, since it uses less digits than its factorization.

16642196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160553 (or 4160551 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 16642196 is about 4079.4847713896. The cubic root of 16642196 is about 255.3114022131.

The spelling of 16642196 in words is "sixteen million, six hundred forty-two thousand, one hundred ninety-six".