1646142216007 has 2 divisors, whose sum is σ = 1646142216008. Its totient is φ = 1646142216006.

The previous prime is 1646142215983. The next prime is 1646142216023. The reversal of 1646142216007 is 7006122416461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1646142216007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1646142216067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 823071108003 + 823071108004.

It is an arithmetic number, because the mean of its divisors is an integer number (823071108004).

Almost surely, 2^{1646142216007} is an apocalyptic number.

1646142216007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1646142216007 is an equidigital number, since it uses as much as digits as its factorization.

1646142216007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 1646142216007 in words is "one trillion, six hundred forty-six billion, one hundred forty-two million, two hundred sixteen thousand, seven".