164610919 has 8 divisors (see below), whose sum is σ = 179681040. Its totient is φ = 149558400.

The previous prime is 164610917. The next prime is 164610937. The reversal of 164610919 is 919016461.

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

It is a cyclic number.

It is not a de Polignac number, because 164610919 - 2¹ = 164610917 is a prime.

It is a super-2 number, since 2×164610919² = 54193509308049122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164610913) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22159 + ... + 28639.

It is an arithmetic number, because the mean of its divisors is an integer number (22460130).

Almost surely, 2^164610919 is an apocalyptic number.

164610919 is a deficient number, since it is larger than the sum of its proper divisors (15070121).

164610919 is a wasteful number, since it uses less digits than its factorization.

164610919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 164610919 is about 12830.0786825335. The cubic root of 164610919 is about 548.0491979468.

The spelling of 164610919 in words is "one hundred sixty-four million, six hundred ten thousand, nine hundred nineteen".