168226042435 has 128 divisors (see below), whose sum is σ = 248670259200. Its totient is φ = 107784069120.

The previous prime is 168226042373. The next prime is 168226042441. The reversal of 168226042435 is 534240622861.

It is not a de Polignac number, because 168226042435 - 2⁹ = 168226041923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 168226042391 and 168226042400.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 183052906 + ... + 183053824.

It is an arithmetic number, because the mean of its divisors is an integer number (1942736400).

Almost surely, 2^168226042435 is an apocalyptic number.

168226042435 is a deficient number, since it is larger than the sum of its proper divisors (80444216765).

168226042435 is a wasteful number, since it uses less digits than its factorization.

168226042435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 168226042435 in words is "one hundred sixty-eight billion, two hundred twenty-six million, forty-two thousand, four hundred thirty-five".