1616205160 has 32 divisors (see below), whose sum is σ = 3655320840. Its totient is φ = 643129344.

The previous prime is 1616205127. The next prime is 1616205169. The reversal of 1616205160 is 615026161.

It can be written as a sum of positive squares in 4 ways, for example, as 1358217316 + 257987844 = 36854^2 + 16062^2 .

It is a super-2 number, since 2×1616205160² = 5224238238421251200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616205169) by changing a digit.

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, 96957 + ... + 112396.

Almost surely, 2^1616205160 is an apocalyptic number.

1616205160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616205160 is an abundant number, since it is smaller than the sum of its proper divisors (2039115680).

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

1616205160 is a wasteful number, since it uses less digits than its factorization.

1616205160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209557 (or 209553 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1616205160 is about 40202.0541763726. The cubic root of 1616205160 is about 1173.5425200235.

The spelling of 1616205160 in words is "one billion, six hundred sixteen million, two hundred five thousand, one hundred sixty".