6146551464 has 64 divisors (see below), whose sum is σ = 16214774400. Its totient is φ = 1937734656.

The previous prime is 6146551447. The next prime is 6146551507. The reversal of 6146551464 is 4641556416.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13429 + ... + 111684.

It is an arithmetic number, because the mean of its divisors is an integer number (253355850).

Almost surely, 2^6146551464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6146551464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8107387200).

6146551464 is an abundant number, since it is smaller than the sum of its proper divisors (10068222936).

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

6146551464 is a wasteful number, since it uses less digits than its factorization.

6146551464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125234 (or 125230 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 6146551464 is about 78399.9455612056. The cubic root of 6146551464 is about 1831.7962857393.

The spelling of 6146551464 in words is "six billion, one hundred forty-six million, five hundred fifty-one thousand, four hundred sixty-four".