164065741 has 8 divisors (see below), whose sum is σ = 197372480. Its totient is φ = 133226208.

The previous prime is 164065721. The next prime is 164065747. The reversal of 164065741 is 147560461.

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 164065741 - 2²⁵ = 130511309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164065697 and 164065706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164065747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616656 + ... + 616921.

It is an arithmetic number, because the mean of its divisors is an integer number (24671560).

Almost surely, 2^164065741 is an apocalyptic number.

It is an amenable number.

164065741 is a deficient number, since it is larger than the sum of its proper divisors (33306739).

164065741 is a wasteful number, since it uses less digits than its factorization.

164065741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233603.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 164065741 is about 12808.8149725101. The cubic root of 164065741 is about 547.4434972931.

The spelling of 164065741 in words is "one hundred sixty-four million, sixty-five thousand, seven hundred forty-one".