604156023161 has 16 divisors (see below), whose sum is σ = 620151714000. Its totient is φ = 588385555200.

The previous prime is 604156023061. The next prime is 604156023187. The reversal of 604156023161 is 161320651406.

It can be written as a sum of positive squares in 8 ways, for example, as 228920143936 + 375235879225 = 478456^2 + 612565^2 .

It is a cyclic number.

It is not a de Polignac number, because 604156023161 - 2¹⁸ = 604155761017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604156023061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2408915 + ... + 2647863.

It is an arithmetic number, because the mean of its divisors is an integer number (38759482125).

Almost surely, 2^604156023161 is an apocalyptic number.

604156023161 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

604156023161 is a deficient number, since it is larger than the sum of its proper divisors (15995690839).

604156023161 is a wasteful number, since it uses less digits than its factorization.

604156023161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239420.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 604156023161 its reverse (161320651406), we get a palindrome (765476674567).

The spelling of 604156023161 in words is "six hundred four billion, one hundred fifty-six million, twenty-three thousand, one hundred sixty-one".