19700616068 has 48 divisors (see below), whose sum is σ = 40306850304. Its totient is φ = 8249662080.

The previous prime is 19700616053. The next prime is 19700616077. The reversal of 19700616068 is 86061600791.

It is a super-2 number, since 2×19700616068² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794498 + ... + 818918.

It is an arithmetic number, because the mean of its divisors is an integer number (839726048).

Almost surely, 2^19700616068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19700616068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20153425152).

19700616068 is an abundant number, since it is smaller than the sum of its proper divisors (20606234236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19700616068 is a wasteful number, since it uses less digits than its factorization.

19700616068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25092 (or 25090 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 19700616068 in words is "nineteen billion, seven hundred million, six hundred sixteen thousand, sixty-eight".