1655965696 has 96 divisors (see below), whose sum is σ = 4128546240. Its totient is φ = 645120000.

The previous prime is 1655965621. The next prime is 1655965709. The reversal of 1655965696 is 6965695561.

It is a self number, because there is not a number n which added to its sum of digits gives 1655965696.

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, 152446 + ... + 162946.

It is an arithmetic number, because the mean of its divisors is an integer number (43005690).

Almost surely, 2^1655965696 is an apocalyptic number.

1655965696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1655965696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064273120).

1655965696 is an abundant number, since it is smaller than the sum of its proper divisors (2472580544).

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

1655965696 is a wasteful number, since it uses less digits than its factorization.

1655965696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10541 (or 10521 counting only the distinct ones).

The product of its digits is 13122000, while the sum is 58.

The square root of 1655965696 is about 40693.5584091635. The cubic root of 1655965696 is about 1183.0881706130.

The spelling of 1655965696 in words is "one billion, six hundred fifty-five million, nine hundred sixty-five thousand, six hundred ninety-six".