164620690361 has 8 divisors (see below), whose sum is σ = 165226892160. Its totient is φ = 164015569872.

The previous prime is 164620690327. The next prime is 164620690363. The reversal of 164620690361 is 163096026461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164620690361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164620690363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35351 + ... + 574883.

It is an arithmetic number, because the mean of its divisors is an integer number (20653361520).

Almost surely, 2^164620690361 is an apocalyptic number.

It is an amenable number.

164620690361 is a deficient number, since it is larger than the sum of its proper divisors (606201799).

164620690361 is an equidigital number, since it uses as much as digits as its factorization.

164620690361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540655.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 164620690361 in words is "one hundred sixty-four billion, six hundred twenty million, six hundred ninety thousand, three hundred sixty-one".