126666701246 has 16 divisors (see below), whose sum is σ = 195688019664. Its totient is φ = 61447060224.

The previous prime is 126666701221. The next prime is 126666701341. The reversal of 126666701246 is 642107666621.

It is a self number, because there is not a number n which added to its sum of digits gives 126666701246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398400 + ... + 2450643.

It is an arithmetic number, because the mean of its divisors is an integer number (12230501229).

Almost surely, 2^126666701246 is an apocalyptic number.

126666701246 is a deficient number, since it is larger than the sum of its proper divisors (69021318418).

126666701246 is a wasteful number, since it uses less digits than its factorization.

126666701246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849435.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 126666701246 in words is "one hundred twenty-six billion, six hundred sixty-six million, seven hundred one thousand, two hundred forty-six".