164387198 has 8 divisors (see below), whose sum is σ = 246654408. Its totient is φ = 82169064.

The previous prime is 164387173. The next prime is 164387239. The reversal of 164387198 is 891783461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (30831801).

Almost surely, 2^164387198 is an apocalyptic number.

164387198 is a deficient number, since it is larger than the sum of its proper divisors (82267210).

164387198 is a wasteful number, since it uses less digits than its factorization.

164387198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538.

The product of its digits is 290304, while the sum is 47.

The square root of 164387198 is about 12821.3571044566. The cubic root of 164387198 is about 547.8008027140.

The spelling of 164387198 in words is "one hundred sixty-four million, three hundred eighty-seven thousand, one hundred ninety-eight".