1164670357381 has 2 divisors, whose sum is σ = 1164670357382. Its totient is φ = 1164670357380.

The previous prime is 1164670357349. The next prime is 1164670357453. The reversal of 1164670357381 is 1837530764611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1007144716356 + 157525641025 = 1003566^2 + 396895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164670357381 - 2⁵ = 1164670357349 is a prime.

It is a super-2 number, since 2×1164670357381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164670357481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582335178690 + 582335178691.

It is an arithmetic number, because the mean of its divisors is an integer number (582335178691).

Almost surely, 2^{1164670357381} is an apocalyptic number.

It is an amenable number.

1164670357381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164670357381 is an equidigital number, since it uses as much as digits as its factorization.

1164670357381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 1164670357381 in words is "one trillion, one hundred sixty-four billion, six hundred seventy million, three hundred fifty-seven thousand, three hundred eighty-one".