168460552516 has 6 divisors (see below), whose sum is σ = 294805966910. Its totient is φ = 84230276256.

The previous prime is 168460552499. The next prime is 168460552517. The reversal of 168460552516 is 615255064861.

It can be written as a sum of positive squares in only one way, i.e., 99033572416 + 69426980100 = 314696^2 + 263490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168460552516.

It is not an unprimeable number, because it can be changed into a prime (168460552517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21057569061 + ... + 21057569068.

Almost surely, 2^168460552516 is an apocalyptic number.

It is an amenable number.

168460552516 is a deficient number, since it is larger than the sum of its proper divisors (126345414394).

168460552516 is a wasteful number, since it uses less digits than its factorization.

168460552516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42115138133 (or 42115138131 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 168460552516 in words is "one hundred sixty-eight billion, four hundred sixty million, five hundred fifty-two thousand, five hundred sixteen".