126616623441 has 32 divisors (see below), whose sum is σ = 222860740608. Its totient is φ = 61905757440.

The previous prime is 126616623437. The next prime is 126616623457. The reversal of 126616623441 is 144326616621.

It is not a de Polignac number, because 126616623441 - 2² = 126616623437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126616623393 and 126616623402.

It is not an unprimeable number, because it can be changed into a prime (126616623431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16117365 + ... + 16125218.

It is an arithmetic number, because the mean of its divisors is an integer number (6964398144).

Almost surely, 2^126616623441 is an apocalyptic number.

126616623441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126616623441 is a deficient number, since it is larger than the sum of its proper divisors (96244117167).

126616623441 is a wasteful number, since it uses less digits than its factorization.

126616623441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32242621.

The product of its digits is 248832, while the sum is 42.

It can be divided in two parts, 126616 and 623441, that added together give a palindrome (750057).

The spelling of 126616623441 in words is "one hundred twenty-six billion, six hundred sixteen million, six hundred twenty-three thousand, four hundred forty-one".