1616100168 has 128 divisors (see below), whose sum is σ = 4299350400. Its totient is φ = 505430016.

The previous prime is 1616100151. The next prime is 1616100169. The reversal of 1616100168 is 8610016161.

It is a happy number.

It is a super-2 number, since 2×1616100168² = 5223559506019256448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616100169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7119271 + ... + 7119497.

It is an arithmetic number, because the mean of its divisors is an integer number (33588675).

Almost surely, 2^1616100168 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 1616100168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2149675200).

1616100168 is an abundant number, since it is smaller than the sum of its proper divisors (2683250232).

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

1616100168 is a wasteful number, since it uses less digits than its factorization.

1616100168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1616100168 is about 40200.7483512434. The cubic root of 1616100168 is about 1173.5171075640.

The spelling of 1616100168 in words is "one billion, six hundred sixteen million, one hundred thousand, one hundred sixty-eight".