126678650398 has 16 divisors (see below), whose sum is σ = 194296826880. Its totient is φ = 61916318136.

The previous prime is 126678650381. The next prime is 126678650401. The reversal of 126678650398 is 893056876621.

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, 741378 + ... + 896101.

It is an arithmetic number, because the mean of its divisors is an integer number (12143551680).

Almost surely, 2^126678650398 is an apocalyptic number.

126678650398 is a deficient number, since it is larger than the sum of its proper divisors (67618176482).

126678650398 is a wasteful number, since it uses less digits than its factorization.

126678650398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638351.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 126678650398 in words is "one hundred twenty-six billion, six hundred seventy-eight million, six hundred fifty thousand, three hundred ninety-eight".