19990314162 has 640 divisors, whose sum is σ = 63228211200. Its totient is φ = 4569675264.

The previous prime is 19990314131. The next prime is 19990314163. The reversal of 19990314162 is 26141309991.

19990314162 is a `hidden beast` number, since 1 + 99 + 90 + 314 + 162 = 666.

It is a super-2 number, since 2×19990314162² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19990314163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 186825313 + ... + 186825419.

It is an arithmetic number, because the mean of its divisors is an integer number (98794080).

Almost surely, 2^19990314162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19990314162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31614105600).

19990314162 is an abundant number, since it is smaller than the sum of its proper divisors (43237897038).

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

19990314162 is a wasteful number, since it uses less digits than its factorization.

19990314162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 19990314162 in words is "nineteen billion, nine hundred ninety million, three hundred fourteen thousand, one hundred sixty-two".