164601646701 has 16 divisors (see below), whose sum is σ = 221829554688. Its totient is φ = 108560314800.

The previous prime is 164601646687. The next prime is 164601646717. The reversal of 164601646701 is 107646106461.

164601646701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164601646701 - 2²⁷ = 164467428973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164601646501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672835 + ... + 884256.

It is an arithmetic number, because the mean of its divisors is an integer number (13864347168).

Almost surely, 2^164601646701 is an apocalyptic number.

It is an amenable number.

164601646701 is a deficient number, since it is larger than the sum of its proper divisors (57227907987).

164601646701 is a wasteful number, since it uses less digits than its factorization.

164601646701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557472.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 164601646701 in words is "one hundred sixty-four billion, six hundred one million, six hundred forty-six thousand, seven hundred one".