19164968 has 8 divisors (see below), whose sum is σ = 35934330. Its totient is φ = 9582480.

The previous prime is 19164961. The next prime is 19164983. The reversal of 19164968 is 86946191.

It can be written as a sum of positive squares in only one way, i.e., 16144324 + 3020644 = 4018^2 + 1738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (19164961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1197803 + ... + 1197818.

Almost surely, 2^19164968 is an apocalyptic number.

It is an amenable number.

19164968 is a deficient number, since it is larger than the sum of its proper divisors (16769362).

19164968 is a wasteful number, since it uses less digits than its factorization.

19164968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395627 (or 2395623 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 19164968 is about 4377.7811731515. The cubic root of 19164968 is about 267.6102227224.

The spelling of 19164968 in words is "nineteen million, one hundred sixty-four thousand, nine hundred sixty-eight".