126561166598 has 8 divisors (see below), whose sum is σ = 190136995608. Its totient is φ = 63182168064.

The previous prime is 126561166597. The next prime is 126561166609. The reversal of 126561166598 is 895661165621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126561166597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49206011 + ... + 49208582.

It is an arithmetic number, because the mean of its divisors is an integer number (23767124451).

Almost surely, 2^126561166598 is an apocalyptic number.

126561166598 is a deficient number, since it is larger than the sum of its proper divisors (63575829010).

126561166598 is an equidigital number, since it uses as much as digits as its factorization.

126561166598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98415238.

The product of its digits is 4665600, while the sum is 56.

The spelling of 126561166598 in words is "one hundred twenty-six billion, five hundred sixty-one million, one hundred sixty-six thousand, five hundred ninety-eight".