6461766 has 12 divisors (see below), whose sum is σ = 14000532. Its totient is φ = 2153916.

The previous prime is 6461761. The next prime is 6461773. The reversal of 6461766 is 6671646.

6461766 is a `hidden beast` number, since 646 + 1 + 7 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6461766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179476 + ... + 179511.

It is an arithmetic number, because the mean of its divisors is an integer number (1166711).

Almost surely, 2^6461766 is an apocalyptic number.

6461766 is an abundant number, since it is smaller than the sum of its proper divisors (7538766).

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

6461766 is a wasteful number, since it uses less digits than its factorization.

6461766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358995 (or 358992 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 6461766 is about 2542.0003933910. Note that the first 3 decimals coincide. The cubic root of 6461766 is about 186.2589179400.

It can be divided in two parts, 6461 and 766, that added together give a palindrome (7227).

The spelling of 6461766 in words is "six million, four hundred sixty-one thousand, seven hundred sixty-six".