6146566457 has 4 divisors (see below), whose sum is σ = 6170483316. Its totient is φ = 6122649600.

The previous prime is 6146566451. The next prime is 6146566469. The reversal of 6146566457 is 7546656416.

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 5928384016 + 218182441 = 76996^2 + 14771^2 .

It is a cyclic number.

It is not a de Polignac number, because 6146566457 - 2⁴ = 6146566441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6146566451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11958044 + ... + 11958557.

It is an arithmetic number, because the mean of its divisors is an integer number (1542620829).

Almost surely, 2^6146566457 is an apocalyptic number.

It is an amenable number.

6146566457 is a deficient number, since it is larger than the sum of its proper divisors (23916859).

6146566457 is a wasteful number, since it uses less digits than its factorization.

6146566457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916858.

The product of its digits is 3628800, while the sum is 50.

The square root of 6146566457 is about 78400.0411798361. The cubic root of 6146566457 is about 1831.7977751435.

The spelling of 6146566457 in words is "six billion, one hundred forty-six million, five hundred sixty-six thousand, four hundred fifty-seven".