1036164665221 has 8 divisors (see below), whose sum is σ = 1186262078144. Its totient is φ = 886585724640.

The previous prime is 1036164665213. The next prime is 1036164665273. The reversal of 1036164665221 is 1225664616301.

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

It is not a de Polignac number, because 1036164665221 - 2³ = 1036164665213 is a prime.

It is a super-3 number, since 3×1036164665221³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036164635221) 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, 129613800 + ... + 129621793.

It is an arithmetic number, because the mean of its divisors is an integer number (148282759768).

Almost surely, 2^{1036164665221} is an apocalyptic number.

It is an amenable number.

1036164665221 is a deficient number, since it is larger than the sum of its proper divisors (150097412923).

1036164665221 is an equidigital number, since it uses as much as digits as its factorization.

1036164665221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259236171.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 1036164665221 in words is "one trillion, thirty-six billion, one hundred sixty-four million, six hundred sixty-five thousand, two hundred twenty-one".