168707380040 has 64 divisors (see below), whose sum is σ = 406800956160. Its totient is φ = 62804332800.

The previous prime is 168707380031. The next prime is 168707380091. The reversal of 168707380040 is 40083707861.

It is a junction number, because it is equal to n+sod(n) for n = 168707379973 and 168707380000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2444036 + ... + 2512115.

It is an arithmetic number, because the mean of its divisors is an integer number (6356264940).

Almost surely, 2^168707380040 is an apocalyptic number.

168707380040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168707380040 is an abundant number, since it is smaller than the sum of its proper divisors (238093576120).

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

168707380040 is a wasteful number, since it uses less digits than its factorization.

168707380040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956222 (or 4956218 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 168707380040 in words is "one hundred sixty-eight billion, seven hundred seven million, three hundred eighty thousand, forty".