164291970 has 32 divisors (see below), whose sum is σ = 395591040. Its totient is φ = 43667840.

The previous prime is 164291929. The next prime is 164291977. The reversal of 164291970 is 79192461.

It is a super-3 number, since 3×164291970³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164291977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526 + ... + 18134.

It is an arithmetic number, because the mean of its divisors is an integer number (12362220).

Almost surely, 2^164291970 is an apocalyptic number.

164291970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164291970 is an abundant number, since it is smaller than the sum of its proper divisors (231299070).

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

164291970 is a wasteful number, since it uses less digits than its factorization.

164291970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17930.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 164291970 is about 12817.6429190394. The cubic root of 164291970 is about 547.6950036173.

The spelling of 164291970 in words is "one hundred sixty-four million, two hundred ninety-one thousand, nine hundred seventy".