67105036161 has 6 divisors (see below), whose sum is σ = 96929496690. Its totient is φ = 44736690768.

The previous prime is 67105036157. The next prime is 67105036261. The reversal of 67105036161 is 16163050176.

It can be written as a sum of positive squares in only one way, i.e., 45273200625 + 21831835536 = 212775^2 + 147756^2 .

It is not a de Polignac number, because 67105036161 - 2² = 67105036157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67105036261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3728057556 + ... + 3728057573.

It is an arithmetic number, because the mean of its divisors is an integer number (16154916115).

Almost surely, 2^67105036161 is an apocalyptic number.

It is an amenable number.

67105036161 is a deficient number, since it is larger than the sum of its proper divisors (29824460529).

67105036161 is a wasteful number, since it uses less digits than its factorization.

67105036161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456115135 (or 7456115132 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 67105036161 in words is "sixty-seven billion, one hundred five million, thirty-six thousand, one hundred sixty-one".