164107892441 has 4 divisors (see below), whose sum is σ = 164109114852. Its totient is φ = 164106670032.

The previous prime is 164107892407. The next prime is 164107892449. The reversal of 164107892441 is 144298701461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31753814416 + 132354078025 = 178196^2 + 363805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164107892441 is a prime.

It is a super-2 number, since 2×164107892441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164107892449) 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, 380906 + ... + 687971.

It is an arithmetic number, because the mean of its divisors is an integer number (41027278713).

Almost surely, 2^164107892441 is an apocalyptic number.

It is an amenable number.

164107892441 is a deficient number, since it is larger than the sum of its proper divisors (1222411).

164107892441 is a wasteful number, since it uses less digits than its factorization.

164107892441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222410.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 164107892441 in words is "one hundred sixty-four billion, one hundred seven million, eight hundred ninety-two thousand, four hundred forty-one".