67161000023 has 12 divisors (see below), whose sum is σ = 72764345808. Its totient is φ = 61960916160.

The previous prime is 67161000019. The next prime is 67161000047. The reversal of 67161000023 is 32000016176.

It is not a de Polignac number, because 67161000023 - 2² = 67161000019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67160999956 and 67161000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67161000013) 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 11 ways as a sum of consecutive naturals, for example, 204563 + ... + 419723.

It is an arithmetic number, because the mean of its divisors is an integer number (6063695484).

Almost surely, 2^67161000023 is an apocalyptic number.

67161000023 is a deficient number, since it is larger than the sum of its proper divisors (5603345785).

67161000023 is a wasteful number, since it uses less digits than its factorization.

67161000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217034 (or 217021 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 67161000023 its reverse (32000016176), we get a palindrome (99161016199).

The spelling of 67161000023 in words is "sixty-seven billion, one hundred sixty-one million, twenty-three", and thus it is an aban number.