168290511042 has 32 divisors (see below), whose sum is σ = 375136747200. Its totient is φ = 50018231808.

The previous prime is 168290510989. The next prime is 168290511047. The reversal of 168290511042 is 240115092861.

168290511042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×168290511042² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168290511047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43416667 + ... + 43420542.

It is an arithmetic number, because the mean of its divisors is an integer number (11723023350).

Almost surely, 2^168290511042 is an apocalyptic number.

168290511042 is an abundant number, since it is smaller than the sum of its proper divisors (206846236158).

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

168290511042 is a wasteful number, since it uses less digits than its factorization.

168290511042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86837250.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 168290511042 in words is "one hundred sixty-eight billion, two hundred ninety million, five hundred eleven thousand, forty-two".