381166322707 has 2 divisors, whose sum is σ = 381166322708. Its totient is φ = 381166322706.

The previous prime is 381166322651. The next prime is 381166322753. The reversal of 381166322707 is 707223661183.

It is a happy number.

It is an a-pointer prime, because the next prime (381166322753) can be obtained adding 381166322707 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381166322707 is a prime.

It is not a weakly prime, because it can be changed into another prime (381166322777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190583161353 + 190583161354.

It is an arithmetic number, because the mean of its divisors is an integer number (190583161354).

Almost surely, 2^381166322707 is an apocalyptic number.

381166322707 is a deficient number, since it is larger than the sum of its proper divisors (1).

381166322707 is an equidigital number, since it uses as much as digits as its factorization.

381166322707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 381166322707 in words is "three hundred eighty-one billion, one hundred sixty-six million, three hundred twenty-two thousand, seven hundred seven".