164331450 has 48 divisors (see below), whose sum is σ = 452828160. Its totient is φ = 43821360.

The previous prime is 164331439. The next prime is 164331463. The reversal of 164331450 is 54133461.

164331450 is a `hidden beast` number, since 1 + 643 + 3 + 14 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59514 + ... + 62213.

It is an arithmetic number, because the mean of its divisors is an integer number (9433920).

Almost surely, 2^164331450 is an apocalyptic number.

164331450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164331450 is an abundant number, since it is smaller than the sum of its proper divisors (288496710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164331450 is a wasteful number, since it uses less digits than its factorization.

164331450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121748 (or 121737 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 164331450 is about 12819.1828912767. The cubic root of 164331450 is about 547.7388711842.

The spelling of 164331450 in words is "one hundred sixty-four million, three hundred thirty-one thousand, four hundred fifty".