64160241732491 has 2 divisors, whose sum is σ = 64160241732492. Its totient is φ = 64160241732490.

The previous prime is 64160241732469. The next prime is 64160241732563. The reversal of 64160241732491 is 19423714206146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64160241732491 - 2⁶ = 64160241732427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (64160241732401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32080120866245 + 32080120866246.

It is an arithmetic number, because the mean of its divisors is an integer number (32080120866246).

Almost surely, 2^{64160241732491} is an apocalyptic number.

64160241732491 is a deficient number, since it is larger than the sum of its proper divisors (1).

64160241732491 is an equidigital number, since it uses as much as digits as its factorization.

64160241732491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 64160241732491 in words is "sixty-four trillion, one hundred sixty billion, two hundred forty-one million, seven hundred thirty-two thousand, four hundred ninety-one".