164054635601 has 4 divisors (see below), whose sum is σ = 164127004272. Its totient is φ = 163982266932.

The previous prime is 164054635583. The next prime is 164054635607. The reversal of 164054635601 is 106536450461.

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 a de Polignac number, because none of the positive numbers 2^k-164054635601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164054635607) 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, 36180935 + ... + 36185468.

It is an arithmetic number, because the mean of its divisors is an integer number (41031751068).

Almost surely, 2^164054635601 is an apocalyptic number.

It is an amenable number.

164054635601 is a deficient number, since it is larger than the sum of its proper divisors (72368671).

164054635601 is an equidigital number, since it uses as much as digits as its factorization.

164054635601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72368670.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 164054635601 in words is "one hundred sixty-four billion, fifty-four million, six hundred thirty-five thousand, six hundred one".