125708163216 has 20 divisors (see below), whose sum is σ = 324746088432. Its totient is φ = 41902721056.

The previous prime is 125708163211. The next prime is 125708163233. The reversal of 125708163216 is 612361807521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125708163211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309459986 + ... + 1309460081.

Almost surely, 2^125708163216 is an apocalyptic number.

125708163216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125708163216 is an abundant number, since it is smaller than the sum of its proper divisors (199037925216).

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

125708163216 is a wasteful number, since it uses less digits than its factorization.

125708163216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618920078 (or 2618920072 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 125708163216 in words is "one hundred twenty-five billion, seven hundred eight million, one hundred sixty-three thousand, two hundred sixteen".