161202426134 has 16 divisors (see below), whose sum is σ = 243726962688. Its totient is φ = 79960206312.

The previous prime is 161202426113. The next prime is 161202426139. The reversal of 161202426134 is 431624202161.

It is a self number, because there is not a number n which added to its sum of digits gives 161202426134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161202426139) 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, 6186377 + ... + 6212379.

It is an arithmetic number, because the mean of its divisors is an integer number (15232935168).

Almost surely, 2^161202426134 is an apocalyptic number.

161202426134 is a deficient number, since it is larger than the sum of its proper divisors (82524536554).

161202426134 is a wasteful number, since it uses less digits than its factorization.

161202426134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50539.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 161202426134 its reverse (431624202161), we get a palindrome (592826628295).

The spelling of 161202426134 in words is "one hundred sixty-one billion, two hundred two million, four hundred twenty-six thousand, one hundred thirty-four".