126339168078 has 48 divisors (see below), whose sum is σ = 275906504016. Its totient is φ = 41780175360.

The previous prime is 126339168031. The next prime is 126339168079. The reversal of 126339168078 is 870861933621.

126339168078 is a `hidden beast` number, since 126 + 3 + 391 + 68 + 0 + 78 = 666.

It is a super-2 number, since 2×126339168078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126339168079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201273 + ... + 1302203.

It is an arithmetic number, because the mean of its divisors is an integer number (5748052167).

Almost surely, 2^126339168078 is an apocalyptic number.

126339168078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126339168078 is an abundant number, since it is smaller than the sum of its proper divisors (149567335938).

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

126339168078 is a wasteful number, since it uses less digits than its factorization.

126339168078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101489 (or 101486 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 126339168078 in words is "one hundred twenty-six billion, three hundred thirty-nine million, one hundred sixty-eight thousand, seventy-eight".