1546864506 has 128 divisors (see below), whose sum is σ = 3835054080. Its totient is φ = 458265600.

The previous prime is 1546864489. The next prime is 1546864549. The reversal of 1546864506 is 6054686451.

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 8014746 + ... + 8014938.

It is an arithmetic number, because the mean of its divisors is an integer number (29961360).

Almost surely, 2^1546864506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1546864506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917527040).

1546864506 is an abundant number, since it is smaller than the sum of its proper divisors (2288189574).

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

1546864506 is a wasteful number, since it uses less digits than its factorization.

1546864506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 1546864506 is about 39330.1983976689. The cubic root of 1546864506 is about 1156.5136370210.

The spelling of 1546864506 in words is "one billion, five hundred forty-six million, eight hundred sixty-four thousand, five hundred six".