1605016616 has 16 divisors (see below), whose sum is σ = 3439321440. Its totient is φ = 687864240.

The previous prime is 1605016603. The next prime is 1605016639. The reversal of 1605016616 is 6166105061.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14330450 + ... + 14330561.

It is an arithmetic number, because the mean of its divisors is an integer number (214957590).

Almost surely, 2^1605016616 is an apocalyptic number.

It is an amenable number.

1605016616 is an abundant number, since it is smaller than the sum of its proper divisors (1834304824).

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

1605016616 is a wasteful number, since it uses less digits than its factorization.

1605016616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28661024 (or 28661020 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1605016616 is about 40062.6586237109. The cubic root of 1605016616 is about 1170.8282094661.

The spelling of 1605016616 in words is "one billion, six hundred five million, sixteen thousand, six hundred sixteen".