1655161516 has 12 divisors (see below), whose sum is σ = 3048981880. Its totient is φ = 784023840.

The previous prime is 1655161507. The next prime is 1655161523. The reversal of 1655161516 is 6151615561.

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, 10889145 + ... + 10889296.

Almost surely, 2^1655161516 is an apocalyptic number.

It is an amenable number.

1655161516 is a deficient number, since it is larger than the sum of its proper divisors (1393820364).

1655161516 is a wasteful number, since it uses less digits than its factorization.

1655161516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778464 (or 21778462 counting only the distinct ones).

The product of its digits is 27000, while the sum is 37.

The square root of 1655161516 is about 40683.6762842298. The cubic root of 1655161516 is about 1182.8966268108.

The spelling of 1655161516 in words is "one billion, six hundred fifty-five million, one hundred sixty-one thousand, five hundred sixteen".