164381101 has 4 divisors (see below), whose sum is σ = 164500000. Its totient is φ = 164262204.

The previous prime is 164381059. The next prime is 164381149. The reversal of 164381101 is 101183461.

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.

It is a cyclic number.

It is not a de Polignac number, because 164381101 - 2⁹ = 164380589 is a prime.

It is a super-2 number, since 2×164381101² = 54042292731944402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164381171) 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 3 ways as a sum of consecutive naturals, for example, 57351 + ... + 60148.

It is an arithmetic number, because the mean of its divisors is an integer number (41125000).

Almost surely, 2^164381101 is an apocalyptic number.

It is an amenable number.

164381101 is a deficient number, since it is larger than the sum of its proper divisors (118899).

164381101 is a wasteful number, since it uses less digits than its factorization.

164381101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118898.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 164381101 is about 12821.1193349099. The cubic root of 164381101 is about 547.7940301210.

The spelling of 164381101 in words is "one hundred sixty-four million, three hundred eighty-one thousand, one hundred one".