164720652199 has 32 divisors (see below), whose sum is σ = 172974896640. Its totient is φ = 156757151232.

The previous prime is 164720652197. The next prime is 164720652211. The reversal of 164720652199 is 991256027461.

It is a cyclic number.

It is not a de Polignac number, because 164720652199 - 2¹ = 164720652197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164720652197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55779307 + ... + 55782259.

It is an arithmetic number, because the mean of its divisors is an integer number (5405465520).

Almost surely, 2^164720652199 is an apocalyptic number.

164720652199 is a deficient number, since it is larger than the sum of its proper divisors (8254244441).

164720652199 is a wasteful number, since it uses less digits than its factorization.

164720652199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 164720652199 in words is "one hundred sixty-four billion, seven hundred twenty million, six hundred fifty-two thousand, one hundred ninety-nine".