164624441103161 has 4 divisors (see below), whose sum is σ = 177287859649572. Its totient is φ = 151961022556752.

The previous prime is 164624441103151. The next prime is 164624441103181. The reversal of 164624441103161 is 161301144426461.

It is a happy number.

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 44021632614400 + 120602808488761 = 6634880^2 + 10981931^2 .

It is a cyclic number.

It is not a de Polignac number, because 164624441103161 - 2²² = 164624436908857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164624441103151) 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, 6331709273186 + ... + 6331709273211.

It is an arithmetic number, because the mean of its divisors is an integer number (44321964912393).

Almost surely, 2^{164624441103161} is an apocalyptic number.

It is an amenable number.

164624441103161 is a deficient number, since it is larger than the sum of its proper divisors (12663418546411).

164624441103161 is a wasteful number, since it uses less digits than its factorization.

164624441103161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12663418546410.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 164624441103161 in words is "one hundred sixty-four trillion, six hundred twenty-four billion, four hundred forty-one million, one hundred three thousand, one hundred sixty-one".