2120015670166 has 16 divisors (see below), whose sum is σ = 3347425571760. Its totient is φ = 1004208226560.

The previous prime is 2120015670163. The next prime is 2120015670169. The reversal of 2120015670166 is 6610765100212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120015670163) and next prime (2120015670169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120015670161) 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, 5086090 + ... + 5487106.

It is an arithmetic number, because the mean of its divisors is an integer number (209214098235).

Almost surely, 2^{2120015670166} is an apocalyptic number.

2120015670166 is a deficient number, since it is larger than the sum of its proper divisors (1227409901594).

2120015670166 is a wasteful number, since it uses less digits than its factorization.

2120015670166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540159.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 2120015670166 in words is "two trillion, one hundred twenty billion, fifteen million, six hundred seventy thousand, one hundred sixty-six".