6406651446 has 16 divisors (see below), whose sum is σ = 13798941744. Its totient is φ = 1971277344.

The previous prime is 6406651379. The next prime is 6406651457. The reversal of 6406651446 is 6441566046.

It is a junction number, because it is equal to n+sod(n) for n = 6406651398 and 6406651407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41068201 + ... + 41068356.

It is an arithmetic number, because the mean of its divisors is an integer number (862433859).

Almost surely, 2^6406651446 is an apocalyptic number.

6406651446 is an abundant number, since it is smaller than the sum of its proper divisors (7392290298).

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

6406651446 is a wasteful number, since it uses less digits than its factorization.

6406651446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82136575.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 6406651446 is about 80041.5607419046. The cubic root of 6406651446 is about 1857.2785040334.

The spelling of 6406651446 in words is "six billion, four hundred six million, six hundred fifty-one thousand, four hundred forty-six".