2303644016856 has 128 divisors (see below), whose sum is σ = 7119362234880. Its totient is φ = 604877884416.

The previous prime is 2303644016833. The next prime is 2303644016881. The reversal of 2303644016856 is 6586104463032.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1827541 + ... + 2819076.

It is an arithmetic number, because the mean of its divisors is an integer number (55620017460).

Almost surely, 2^{2303644016856} is an apocalyptic number.

2303644016856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2303644016856 is an abundant number, since it is smaller than the sum of its proper divisors (4815718218024).

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

2303644016856 is a wasteful number, since it uses less digits than its factorization.

2303644016856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646873 (or 4646869 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

Adding to 2303644016856 its reverse (6586104463032), we get a palindrome (8889748479888).

The spelling of 2303644016856 in words is "two trillion, three hundred three billion, six hundred forty-four million, sixteen thousand, eight hundred fifty-six".