57621166526983 has 2 divisors, whose sum is σ = 57621166526984. Its totient is φ = 57621166526982.

The previous prime is 57621166526981. The next prime is 57621166526993. The reversal of 57621166526983 is 38962566112675.

57621166526983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57621166526983 - 2¹ = 57621166526981 is a prime.

It is a super-2 number, since 2×57621166526983² (a number of 28 digits) contains 22 as substring.

Together with 57621166526981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57621166526981) by changing a digit.

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 as a sum of consecutive naturals, namely, 28810583263491 + 28810583263492.

It is an arithmetic number, because the mean of its divisors is an integer number (28810583263492).

Almost surely, 2^{57621166526983} is an apocalyptic number.

57621166526983 is a deficient number, since it is larger than the sum of its proper divisors (1).

57621166526983 is an equidigital number, since it uses as much as digits as its factorization.

57621166526983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195955200, while the sum is 67.

The spelling of 57621166526983 in words is "fifty-seven trillion, six hundred twenty-one billion, one hundred sixty-six million, five hundred twenty-six thousand, nine hundred eighty-three".