6456610546 has 8 divisors (see below), whose sum is σ = 9921133404. Its totient is φ = 3149566080.

The previous prime is 6456610541. The next prime is 6456610579. The reversal of 6456610546 is 6450166546.

It can be written as a sum of positive squares in 2 ways, for example, as 5334695521 + 1121915025 = 73039^2 + 33495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6456610541) 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, 39369495 + ... + 39369658.

Almost surely, 2^6456610546 is an apocalyptic number.

6456610546 is a deficient number, since it is larger than the sum of its proper divisors (3464522858).

6456610546 is a wasteful number, since it uses less digits than its factorization.

6456610546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78739196.

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

The square root of 6456610546 is about 80353.0369432295. The cubic root of 6456610546 is about 1862.0936983549.

The spelling of 6456610546 in words is "six billion, four hundred fifty-six million, six hundred ten thousand, five hundred forty-six".