164980771 has 8 divisors (see below), whose sum is σ = 172383264. Its totient is φ = 157597440.

The previous prime is 164980769. The next prime is 164980799. The reversal of 164980771 is 177089461.

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

It is a cyclic number.

It is not a de Polignac number, because 164980771 - 2¹ = 164980769 is a prime.

It is a super-3 number, since 3×164980771³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164980741) 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 7 ways as a sum of consecutive naturals, for example, 14515 + ... + 23251.

It is an arithmetic number, because the mean of its divisors is an integer number (21547908).

Almost surely, 2^164980771 is an apocalyptic number.

164980771 is a deficient number, since it is larger than the sum of its proper divisors (7402493).

164980771 is an equidigital number, since it uses as much as digits as its factorization.

164980771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 164980771 is about 12844.4840690469. The cubic root of 164980771 is about 548.4593478811.

The spelling of 164980771 in words is "one hundred sixty-four million, nine hundred eighty thousand, seven hundred seventy-one".