6146660545 has 4 divisors (see below), whose sum is σ = 7375992660. Its totient is φ = 4917328432.

The previous prime is 6146660537. The next prime is 6146660551. The reversal of 6146660545 is 5450666416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2054627584 + 4092032961 = 45328^2 + 63969^2 .

It is a cyclic number.

It is not a de Polignac number, because 6146660545 - 2³ = 6146660537 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614666050 + ... + 614666059.

It is an arithmetic number, because the mean of its divisors is an integer number (1843998165).

Almost surely, 2^6146660545 is an apocalyptic number.

It is an amenable number.

6146660545 is a deficient number, since it is larger than the sum of its proper divisors (1229332115).

6146660545 is a wasteful number, since it uses less digits than its factorization.

6146660545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229332114.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 6146660545 is about 78400.6412282451. The cubic root of 6146660545 is about 1831.8071217878.

The spelling of 6146660545 in words is "six billion, one hundred forty-six million, six hundred sixty thousand, five hundred forty-five".