164999998 has 8 divisors (see below), whose sum is σ = 251557560. Its totient is φ = 81147480.

The previous prime is 164999993. The next prime is 165000013. The reversal of 164999998 is 899999461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164999993) 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 3 ways as a sum of consecutive naturals, for example, 676108 + ... + 676351.

It is an arithmetic number, because the mean of its divisors is an integer number (31444695).

Almost surely, 2^164999998 is an apocalyptic number.

164999998 is a deficient number, since it is larger than the sum of its proper divisors (86557562).

164999998 is a wasteful number, since it uses less digits than its factorization.

164999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352522.

The product of its digits is 11337408, while the sum is 64.

The square root of 164999998 is about 12845.2325008152. The cubic root of 164999998 is about 548.4806530272.

The spelling of 164999998 in words is "one hundred sixty-four million, nine hundred ninety-nine thousand, nine hundred ninety-eight".