164982061 has 4 divisors (see below), whose sum is σ = 167305824. Its totient is φ = 162658300.

The previous prime is 164982023. The next prime is 164982067. The reversal of 164982061 is 160289461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160289461 = 23 ⋅6969107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164982061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164982061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164982067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161775 + ... + 1161916.

It is an arithmetic number, because the mean of its divisors is an integer number (41826456).

Almost surely, 2^164982061 is an apocalyptic number.

It is an amenable number.

164982061 is a deficient number, since it is larger than the sum of its proper divisors (2323763).

164982061 is an equidigital number, since it uses as much as digits as its factorization.

164982061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323762.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 164982061 is about 12844.5342850568. The cubic root of 164982061 is about 548.4607773623.

The spelling of 164982061 in words is "one hundred sixty-four million, nine hundred eighty-two thousand, sixty-one".