19248868066 has 8 divisors (see below), whose sum is σ = 29067083100. Its totient is φ = 9559840368.

The previous prime is 19248868063. The next prime is 19248868073. The reversal of 19248868066 is 66086884291.

It can be written as a sum of positive squares in 2 ways, for example, as 16840512441 + 2408355625 = 129771^2 + 49075^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 19248868066.

It is not an unprimeable number, because it can be changed into a prime (19248868063) 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, 32296461 + ... + 32297056.

Almost surely, 2^19248868066 is an apocalyptic number.

19248868066 is a deficient number, since it is larger than the sum of its proper divisors (9818215034).

19248868066 is a wasteful number, since it uses less digits than its factorization.

19248868066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64593668.

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 19248868066 in words is "nineteen billion, two hundred forty-eight million, eight hundred sixty-eight thousand, sixty-six".