2067155055078 has 16 divisors (see below), whose sum is σ = 4134929191680. Its totient is φ = 688948504776.

The previous prime is 2067155055073. The next prime is 2067155055107. The reversal of 2067155055078 is 8705505517602.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2067155055078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067155055073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25751650 + ... + 25831797.

It is an arithmetic number, because the mean of its divisors is an integer number (258433074480).

Almost surely, 2^{2067155055078} is an apocalyptic number.

2067155055078 is an abundant number, since it is smaller than the sum of its proper divisors (2067774136602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2067155055078 is a wasteful number, since it uses less digits than its factorization.

2067155055078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51590131.

The product of its (nonzero) digits is 2940000, while the sum is 51.

The spelling of 2067155055078 in words is "two trillion, sixty-seven billion, one hundred fifty-five million, fifty-five thousand, seventy-eight".