126332161233621 has 64 divisors (see below), whose sum is σ = 209649997516800. Its totient is φ = 66024361267200.

The previous prime is 126332161233601. The next prime is 126332161233623.

126332161233621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 126332161233621 - 2¹⁰ = 126332161232597 is a prime.

It is a super-2 number, since 2×126332161233621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126332161233623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99353256 + ... + 100616766.

It is an arithmetic number, because the mean of its divisors is an integer number (3275781211200).

Almost surely, 2^{126332161233621} is an apocalyptic number.

It is an amenable number.

126332161233621 is a deficient number, since it is larger than the sum of its proper divisors (83317836283179).

126332161233621 is a wasteful number, since it uses less digits than its factorization.

126332161233621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272210.

The product of its digits is 279936, while the sum is 42.

The spelling of 126332161233621 in words is "one hundred twenty-six trillion, three hundred thirty-two billion, one hundred sixty-one million, two hundred thirty-three thousand, six hundred twenty-one".