1004164866377 has 2 divisors, whose sum is σ = 1004164866378. Its totient is φ = 1004164866376.

The previous prime is 1004164866361. The next prime is 1004164866427. The reversal of 1004164866377 is 7736684614001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940387909696 + 63776956681 = 969736^2 + 252541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004164866377 - 2⁴ = 1004164866361 is a prime.

It is a super-2 number, since 2×1004164866377² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1004164866337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502082433188 + 502082433189.

It is an arithmetic number, because the mean of its divisors is an integer number (502082433189).

Almost surely, 2^{1004164866377} is an apocalyptic number.

It is an amenable number.

1004164866377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004164866377 is an equidigital number, since it uses as much as digits as its factorization.

1004164866377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 1004164866377 in words is "one trillion, four billion, one hundred sixty-four million, eight hundred sixty-six thousand, three hundred seventy-seven".