1606213520464 has 40 divisors (see below), whose sum is σ = 3558558551168. Its totient is φ = 688001178240.

The previous prime is 1606213520453. The next prime is 1606213520477. The reversal of 1606213520464 is 4640253126061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711147 + ... + 4121290.

Almost surely, 2^{1606213520464} is an apocalyptic number.

1606213520464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1606213520464 is an abundant number, since it is smaller than the sum of its proper divisors (1952345030704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606213520464 is a wasteful number, since it uses less digits than its factorization.

1606213520464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834283 (or 7834277 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 1606213520464 in words is "one trillion, six hundred six billion, two hundred thirteen million, five hundred twenty thousand, four hundred sixty-four".