126540546366 has 32 divisors (see below), whose sum is σ = 276282427680. Its totient is φ = 38402187264.

The previous prime is 126540546359. The next prime is 126540546371. The reversal of 126540546366 is 663645045621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11106051 + ... + 11117438.

It is an arithmetic number, because the mean of its divisors is an integer number (8633825865).

Almost surely, 2^126540546366 is an apocalyptic number.

126540546366 is an abundant number, since it is smaller than the sum of its proper divisors (149741881314).

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

126540546366 is a wasteful number, since it uses less digits than its factorization.

126540546366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22223580.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 126540546366 in words is "one hundred twenty-six billion, five hundred forty million, five hundred forty-six thousand, three hundred sixty-six".