56005101646 has 12 divisors (see below), whose sum is σ = 90966866832. Its totient is φ = 25848508296.

The previous prime is 56005101641. The next prime is 56005101661. The reversal of 56005101646 is 64610150065.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005101641) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 82847446 + ... + 82848121.

It is an arithmetic number, because the mean of its divisors is an integer number (7580572236).

Almost surely, 2^56005101646 is an apocalyptic number.

56005101646 is a deficient number, since it is larger than the sum of its proper divisors (34961765186).

56005101646 is a wasteful number, since it uses less digits than its factorization.

56005101646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165695595 (or 165695582 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 56005101646 in words is "fifty-six billion, five million, one hundred one thousand, six hundred forty-six".