67162161210155 has 12 divisors (see below), whose sum is σ = 88587445696176. Its totient is φ = 48845208152400.

The previous prime is 67162161210121. The next prime is 67162161210169. The reversal of 67162161210155 is 55101216126176.

67162161210155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-67162161210155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55505917751 + ... + 55505918960.

It is an arithmetic number, because the mean of its divisors is an integer number (7382287141348).

Almost surely, 2^{67162161210155} is an apocalyptic number.

67162161210155 is a deficient number, since it is larger than the sum of its proper divisors (21425284486021).

67162161210155 is a wasteful number, since it uses less digits than its factorization.

67162161210155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111011836738 (or 111011836727 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 67162161210155 in words is "sixty-seven trillion, one hundred sixty-two billion, one hundred sixty-one million, two hundred ten thousand, one hundred fifty-five".