164633290 has 32 divisors (see below), whose sum is σ = 322704000. Its totient is φ = 60234048.

The previous prime is 164633279. The next prime is 164633291. The reversal of 164633290 is 92336461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (164633291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9430 + ... + 20449.

It is an arithmetic number, because the mean of its divisors is an integer number (10084500).

Almost surely, 2^164633290 is an apocalyptic number.

164633290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164633290 is a deficient number, since it is larger than the sum of its proper divisors (158070710).

164633290 is a wasteful number, since it uses less digits than its factorization.

164633290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29934.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 164633290 is about 12830.9504714187. The cubic root of 164633290 is about 548.0740238683.

The spelling of 164633290 in words is "one hundred sixty-four million, six hundred thirty-three thousand, two hundred ninety".