6435051656 has 32 divisors (see below), whose sum is σ = 13215091680. Its totient is φ = 2913360000.

The previous prime is 6435051643. The next prime is 6435051673. The reversal of 6435051656 is 6561505346.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 123581 + ... + 167756.

It is an arithmetic number, because the mean of its divisors is an integer number (412971615).

Almost surely, 2^6435051656 is an apocalyptic number.

It is an amenable number.

6435051656 is an abundant number, since it is smaller than the sum of its proper divisors (6780040024).

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

6435051656 is a wasteful number, since it uses less digits than its factorization.

6435051656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291605 (or 291601 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 6435051656 is about 80218.7737128909. The cubic root of 6435051656 is about 1860.0188513139.

The spelling of 6435051656 in words is "six billion, four hundred thirty-five million, fifty-one thousand, six hundred fifty-six".