1645150662007 has 2 divisors, whose sum is σ = 1645150662008. Its totient is φ = 1645150662006.

The previous prime is 1645150661989. The next prime is 1645150662079. The reversal of 1645150662007 is 7002660515461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1645150662007 - 2¹¹ = 1645150659959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1645156662007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822575331003 + 822575331004.

It is an arithmetic number, because the mean of its divisors is an integer number (822575331004).

Almost surely, 2^{1645150662007} is an apocalyptic number.

1645150662007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1645150662007 is an equidigital number, since it uses as much as digits as its factorization.

1645150662007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 1645150662007 in words is "one trillion, six hundred forty-five billion, one hundred fifty million, six hundred sixty-two thousand, seven".