164491562 has 8 divisors (see below), whose sum is σ = 246816192. Its totient is φ = 82219500.

The previous prime is 164491519. The next prime is 164491571. The reversal of 164491562 is 265194461.

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

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, 4064 + ... + 18587.

It is an arithmetic number, because the mean of its divisors is an integer number (30852024).

Almost surely, 2^164491562 is an apocalyptic number.

164491562 is a deficient number, since it is larger than the sum of its proper divisors (82324630).

164491562 is a wasteful number, since it uses less digits than its factorization.

164491562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26284.

The product of its digits is 51840, while the sum is 38.

The square root of 164491562 is about 12825.4263866742. The cubic root of 164491562 is about 547.9167050660.

The spelling of 164491562 in words is "one hundred sixty-four million, four hundred ninety-one thousand, five hundred sixty-two".