168434185092 has 48 divisors (see below), whose sum is σ = 412134723840. Its totient is φ = 53466110208.

The previous prime is 168434185091. The next prime is 168434185093. The reversal of 168434185092 is 290581434861.

It is an interprime number because it is at equal distance from previous prime (168434185091) and next prime (168434185093).

It is a super-2 number, since 2×168434185092² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168434185091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3289708 + ... + 3340515.

It is an arithmetic number, because the mean of its divisors is an integer number (8586140080).

Almost surely, 2^168434185092 is an apocalyptic number.

168434185092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168434185092 is an abundant number, since it is smaller than the sum of its proper divisors (243700538748).

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

168434185092 is a wasteful number, since it uses less digits than its factorization.

168434185092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630332 (or 6630330 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 168434185092 in words is "one hundred sixty-eight billion, four hundred thirty-four million, one hundred eighty-five thousand, ninety-two".