126496566645 has 16 divisors (see below), whose sum is σ = 202411651200. Its totient is φ = 67459120704.

The previous prime is 126496566643. The next prime is 126496566667. The reversal of 126496566645 is 546665694621.

It is not a de Polignac number, because 126496566645 - 2¹ = 126496566643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126496566643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171070 + ... + 531279.

It is an arithmetic number, because the mean of its divisors is an integer number (12650728200).

Almost surely, 2^126496566645 is an apocalyptic number.

126496566645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126496566645 is a deficient number, since it is larger than the sum of its proper divisors (75915084555).

126496566645 is a wasteful number, since it uses less digits than its factorization.

126496566645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714364.

The product of its digits is 55987200, while the sum is 60.

The spelling of 126496566645 in words is "one hundred twenty-six billion, four hundred ninety-six million, five hundred sixty-six thousand, six hundred forty-five".