6556165023983 has 4 divisors (see below), whose sum is σ = 6556317355368. Its totient is φ = 6556012692600.

The previous prime is 6556165023973. The next prime is 6556165024027. The reversal of 6556165023983 is 3893205616556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6556165023983 - 2²² = 6556160829679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556165023923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76101116 + ... + 76187217.

It is an arithmetic number, because the mean of its divisors is an integer number (1639079338842).

Almost surely, 2^{6556165023983} is an apocalyptic number.

6556165023983 is a deficient number, since it is larger than the sum of its proper divisors (152331385).

6556165023983 is a wasteful number, since it uses less digits than its factorization.

6556165023983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152331384.

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 6556165023983 in words is "six trillion, five hundred fifty-six billion, one hundred sixty-five million, twenty-three thousand, nine hundred eighty-three".