744151220164 has 81 divisors (see below), whose sum is σ = 1448368273261. Its totient is φ = 334291027840.

The previous prime is 744151220149. The next prime is 744151220251. The reversal of 744151220164 is 461022151447.

The square root of 744151220164 is 862642.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13112540100 + 731038680064 = 114510^2 + 855008^2 .

It is a super-2 number, since 2×744151220164² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2144527839 + ... + 2144528185.

Almost surely, 2^744151220164 is an apocalyptic number.

744151220164 is the 862642-nd square number.

It is an amenable number.

744151220164 is a deficient number, since it is larger than the sum of its proper divisors (704217053097).

744151220164 is a wasteful number, since it uses less digits than its factorization.

744151220164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 744151220164 in words is "seven hundred forty-four billion, one hundred fifty-one million, two hundred twenty thousand, one hundred sixty-four".