7123146066 has 24 divisors (see below), whose sum is σ = 15445235520. Its totient is φ = 2372573976.

The previous prime is 7123146059. The next prime is 7123146067. The reversal of 7123146066 is 6606413217.

It is a happy number.

7123146066 is a `hidden beast` number, since 7 + 12 + 31 + 4 + 606 + 6 = 666.

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 7123146066.

It is not an unprimeable number, because it can be changed into a prime (7123146067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126270 + ... + 173753.

It is an arithmetic number, because the mean of its divisors is an integer number (643551480).

Almost surely, 2^7123146066 is an apocalyptic number.

7123146066 is an abundant number, since it is smaller than the sum of its proper divisors (8322089454).

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

7123146066 is a wasteful number, since it uses less digits than its factorization.

7123146066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301350 (or 301347 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7123146066 is about 84398.7326089675. The cubic root of 7123146066 is about 1924.0836536847.

The spelling of 7123146066 in words is "seven billion, one hundred twenty-three million, one hundred forty-six thousand, sixty-six".