6461340366 has 48 divisors (see below), whose sum is σ = 14548208976. Its totient is φ = 1901653248.

The previous prime is 6461340349. The next prime is 6461340397. The reversal of 6461340366 is 6630431646.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37035 + ... + 119558.

It is an arithmetic number, because the mean of its divisors is an integer number (303087687).

Almost surely, 2^6461340366 is an apocalyptic number.

6461340366 is an abundant number, since it is smaller than the sum of its proper divisors (8086868610).

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

6461340366 is a wasteful number, since it uses less digits than its factorization.

6461340366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156657 (or 156634 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 6461340366 is about 80382.4630500957. The cubic root of 6461340366 is about 1862.5482824953.

The spelling of 6461340366 in words is "six billion, four hundred sixty-one million, three hundred forty thousand, three hundred sixty-six".