1616161760 has 48 divisors (see below), whose sum is σ = 3825444672. Its totient is φ = 645235200.

The previous prime is 1616161759. The next prime is 1616161783. The reversal of 1616161760 is 671616161.

It is a super-2 number, since 2×1616161760² = 5223957668972595200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616161760.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77225 + ... + 95895.

It is an arithmetic number, because the mean of its divisors is an integer number (79696764).

Almost surely, 2^1616161760 is an apocalyptic number.

1616161760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616161760 is an abundant number, since it is smaller than the sum of its proper divisors (2209282912).

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

1616161760 is a wasteful number, since it uses less digits than its factorization.

1616161760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19227 (or 19219 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1616161760 is about 40201.5143993358. The cubic root of 1616161760 is about 1173.5320155400.

The spelling of 1616161760 in words is "one billion, six hundred sixteen million, one hundred sixty-one thousand, seven hundred sixty".