1655028116 has 72 divisors (see below), whose sum is σ = 3450807360. Its totient is φ = 692291712.

The previous prime is 1655028091. The next prime is 1655028121. The reversal of 1655028116 is 6118205561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1930760 + ... + 1931616.

It is an arithmetic number, because the mean of its divisors is an integer number (47927880).

Almost surely, 2^1655028116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1655028116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725403680).

1655028116 is an abundant number, since it is smaller than the sum of its proper divisors (1795779244).

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

1655028116 is a wasteful number, since it uses less digits than its factorization.

1655028116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1655028116 is about 40682.0367730034. The cubic root of 1655028116 is about 1182.8648469013.

The spelling of 1655028116 in words is "one billion, six hundred fifty-five million, twenty-eight thousand, one hundred sixteen".