19616068 has 12 divisors (see below), whose sum is σ = 35256172. Its totient is φ = 9542880.

The previous prime is 19616063. The next prime is 19616089. The reversal of 19616068 is 86061691.

It can be written as a sum of positive squares in 2 ways, for example, as 16630084 + 2985984 = 4078^2 + 1728^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (19616063) 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, 66123 + ... + 66418.

Almost surely, 2^19616068 is an apocalyptic number.

It is an amenable number.

19616068 is a deficient number, since it is larger than the sum of its proper divisors (15640104).

19616068 is a wasteful number, since it uses less digits than its factorization.

19616068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132582 (or 132580 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 19616068 is about 4429.0030480911. The cubic root of 19616068 is about 269.6936076313.

The spelling of 19616068 in words is "nineteen million, six hundred sixteen thousand, sixty-eight".