126400653606 has 8 divisors (see below), whose sum is σ = 252801307224. Its totient is φ = 42133551200.

The previous prime is 126400653517. The next prime is 126400653649. The reversal of 126400653606 is 606356004621.

126400653606 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

126400653606 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10533387795 + ... + 10533387806.

It is an arithmetic number, because the mean of its divisors is an integer number (31600163403).

Almost surely, 2^126400653606 is an apocalyptic number.

126400653606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126400653606 is a wasteful number, since it uses less digits than its factorization.

126400653606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21066775606.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 126400653606 in words is "one hundred twenty-six billion, four hundred million, six hundred fifty-three thousand, six hundred six".