1646245022116 has 6 divisors (see below), whose sum is σ = 2880928788710. Its totient is φ = 823122511056.

The previous prime is 1646245022113. The next prime is 1646245022161. The reversal of 1646245022116 is 6112205426461.

It can be written as a sum of positive squares in only one way, i.e., 1097578903716 + 548666118400 = 1047654^2 + 740720^2 .

It is not an unprimeable number, because it can be changed into a prime (1646245022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205780627761 + ... + 205780627768.

Almost surely, 2^{1646245022116} is an apocalyptic number.

It is an amenable number.

1646245022116 is a deficient number, since it is larger than the sum of its proper divisors (1234683766594).

1646245022116 is a wasteful number, since it uses less digits than its factorization.

1646245022116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411561255533 (or 411561255531 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1646245022116 in words is "one trillion, six hundred forty-six billion, two hundred forty-five million, twenty-two thousand, one hundred sixteen".