1616256663326 has 16 divisors (see below), whose sum is σ = 2470236457104. Its totient is φ = 792845848704.

The previous prime is 1616256663323. The next prime is 1616256663331. The reversal of 1616256663326 is 6233666526161.

It is a super-2 number, since 2×1616256663326² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616256663323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2182505 + ... + 2827691.

It is an arithmetic number, because the mean of its divisors is an integer number (154389778569).

Almost surely, 2^{1616256663326} is an apocalyptic number.

1616256663326 is a deficient number, since it is larger than the sum of its proper divisors (853979793778).

1616256663326 is a wasteful number, since it uses less digits than its factorization.

1616256663326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668875.

The product of its digits is 8398080, while the sum is 53.

The spelling of 1616256663326 in words is "one trillion, six hundred sixteen billion, two hundred fifty-six million, six hundred sixty-three thousand, three hundred twenty-six".