168761494116 has 30 divisors (see below), whose sum is σ = 441175882070. Its totient is φ = 56253831264.

The previous prime is 168761494063. The next prime is 168761494117. The reversal of 168761494116 is 611494167861.

It is a happy number.

168761494116 is a `hidden beast` number, since 1 + 6 + 8 + 7 + 614 + 9 + 4 + 1 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 105302846016 + 63458648100 = 324504^2 + 251910^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (168761494117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 260434081 + ... + 260434728.

Almost surely, 2^168761494116 is an apocalyptic number.

It is an amenable number.

168761494116 is an abundant number, since it is smaller than the sum of its proper divisors (272414387954).

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

168761494116 is a wasteful number, since it uses less digits than its factorization.

168761494116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520868825 (or 520868814 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 168761494116 in words is "one hundred sixty-eight billion, seven hundred sixty-one million, four hundred ninety-four thousand, one hundred sixteen".