168378125764 has 48 divisors (see below), whose sum is σ = 309270631936. Its totient is φ = 80113017600.

The previous prime is 168378125759. The next prime is 168378125767. The reversal of 168378125764 is 467521873861.

It is a junction number, because it is equal to n+sod(n) for n = 168378125699 and 168378125708.

It is not an unprimeable number, because it can be changed into a prime (168378125767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2968114 + ... + 3024310.

Almost surely, 2^168378125764 is an apocalyptic number.

It is an amenable number.

168378125764 is a deficient number, since it is larger than the sum of its proper divisors (140892506172).

168378125764 is a wasteful number, since it uses less digits than its factorization.

168378125764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56636 (or 56634 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 58.

The spelling of 168378125764 in words is "one hundred sixty-eight billion, three hundred seventy-eight million, one hundred twenty-five thousand, seven hundred sixty-four".