67161000049 has 16 divisors (see below), whose sum is σ = 78911622720. Its totient is φ = 56352317760.

The previous prime is 67161000047. The next prime is 67161000119. The reversal of 67161000049 is 94000016176.

67161000049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 67161000049 - 2¹ = 67161000047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67160999978 and 67161000023.

It is not an unprimeable number, because it can be changed into a prime (67161000047) 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, 1503367 + ... + 1547395.

It is an arithmetic number, because the mean of its divisors is an integer number (4931976420).

Almost surely, 2^67161000049 is an apocalyptic number.

It is an amenable number.

67161000049 is a deficient number, since it is larger than the sum of its proper divisors (11750622671).

67161000049 is a wasteful number, since it uses less digits than its factorization.

67161000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54720.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 67161000049 in words is "sixty-seven billion, one hundred sixty-one million, forty-nine", and thus it is an aban number.