2067166520 has 32 divisors (see below), whose sum is σ = 4759294320. Its totient is φ = 807636480.

The previous prime is 2067166513. The next prime is 2067166523. The reversal of 2067166520 is 256617602.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067166523) 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, 599201 + ... + 602640.

Almost surely, 2^2067166520 is an apocalyptic number.

2067166520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2067166520 is an abundant number, since it is smaller than the sum of its proper divisors (2692127800).

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

2067166520 is a wasteful number, since it uses less digits than its factorization.

2067166520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201895 (or 1201891 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2067166520 is about 45466.1029779329. The cubic root of 2067166520 is about 1273.8701296261.

The spelling of 2067166520 in words is "two billion, sixty-seven million, one hundred sixty-six thousand, five hundred twenty".