44164387160477 has 2 divisors, whose sum is σ = 44164387160478. Its totient is φ = 44164387160476.

The previous prime is 44164387160459. The next prime is 44164387160497. The reversal of 44164387160477 is 77406178346144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39347191834756 + 4817195325721 = 6272734^2 + 2194811^2 .

It is a cyclic number.

It is not a de Polignac number, because 44164387160477 - 2¹⁶ = 44164387094941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44164387160417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22082193580238 + 22082193580239.

It is an arithmetic number, because the mean of its divisors is an integer number (22082193580239).

Almost surely, 2^{44164387160477} is an apocalyptic number.

It is an amenable number.

44164387160477 is a deficient number, since it is larger than the sum of its proper divisors (1).

44164387160477 is an equidigital number, since it uses as much as digits as its factorization.

44164387160477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75866112, while the sum is 62.

The spelling of 44164387160477 in words is "forty-four trillion, one hundred sixty-four billion, three hundred eighty-seven million, one hundred sixty thousand, four hundred seventy-seven".