736164221 has 16 divisors (see below), whose sum is σ = 799176000. Its totient is φ = 674092800.

The previous prime is 736164211. The next prime is 736164227. The reversal of 736164221 is 122461637.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-736164221 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 (736164227) 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, 1475030 + ... + 1475528.

It is an arithmetic number, because the mean of its divisors is an integer number (49948500).

Almost surely, 2^736164221 is an apocalyptic number.

It is an amenable number.

736164221 is a deficient number, since it is larger than the sum of its proper divisors (63011779).

736164221 is a wasteful number, since it uses less digits than its factorization.

736164221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its digits is 12096, while the sum is 32.

The square root of 736164221 is about 27132.3463968747. The cubic root of 736164221 is about 902.9386335768.

The spelling of 736164221 in words is "seven hundred thirty-six million, one hundred sixty-four thousand, two hundred twenty-one".