168166468135076 has 6 divisors (see below), whose sum is σ = 294291319236390. Its totient is φ = 84083234067536.

The previous prime is 168166468135073. The next prime is 168166468135079. The reversal of 168166468135076 is 670531864661861.

It is an interprime number because it is at equal distance from previous prime (168166468135073) and next prime (168166468135079).

It can be written as a sum of positive squares in only one way, i.e., 99611777524900 + 68554690610176 = 9980570^2 + 8279776^2 .

It is a super-2 number, since 2×168166468135076² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168166468134997 and 168166468135015.

It is not an unprimeable number, because it can be changed into a prime (168166468135073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020808516881 + ... + 21020808516888.

It is an arithmetic number, because the mean of its divisors is an integer number (49048553206065).

Almost surely, 2^{168166468135076} is an apocalyptic number.

It is an amenable number.

168166468135076 is a deficient number, since it is larger than the sum of its proper divisors (126124851101314).

168166468135076 is a wasteful number, since it uses less digits than its factorization.

168166468135076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42041617033773 (or 42041617033771 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 168166468135076 in words is "one hundred sixty-eight trillion, one hundred sixty-six billion, four hundred sixty-eight million, one hundred thirty-five thousand, seventy-six".