164919896 has 8 divisors (see below), whose sum is σ = 309224820. Its totient is φ = 82459944.

The previous prime is 164919889. The next prime is 164919899. The reversal of 164919896 is 698919461.

It is a happy number.

164919896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164919899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307486 + ... + 10307501.

Almost surely, 2^164919896 is an apocalyptic number.

It is an amenable number.

164919896 is a deficient number, since it is larger than the sum of its proper divisors (144304924).

164919896 is a wasteful number, since it uses less digits than its factorization.

164919896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20614993 (or 20614989 counting only the distinct ones).

The product of its digits is 839808, while the sum is 53.

The square root of 164919896 is about 12842.1141561660. The cubic root of 164919896 is about 548.3918823014.

The spelling of 164919896 in words is "one hundred sixty-four million, nine hundred nineteen thousand, eight hundred ninety-six".