168412081604 has 24 divisors (see below), whose sum is σ = 317411958528. Its totient is φ = 77723765280.

The previous prime is 168412081547. The next prime is 168412081609. The reversal of 168412081604 is 406180214861.

It is a happy number.

168412081604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168412081609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810989 + ... + 997259.

It is an arithmetic number, because the mean of its divisors is an integer number (13225498272).

Almost surely, 2^168412081604 is an apocalyptic number.

It is an amenable number.

168412081604 is a deficient number, since it is larger than the sum of its proper divisors (148999876924).

168412081604 is a wasteful number, since it uses less digits than its factorization.

168412081604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203675 (or 203673 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 168412081604 in words is "one hundred sixty-eight billion, four hundred twelve million, eighty-one thousand, six hundred four".