1616444088 has 64 divisors (see below), whose sum is σ = 4621432320. Its totient is φ = 461539200.

The previous prime is 1616444083. The next prime is 1616444107. The reversal of 1616444088 is 8804446161.

It is a super-2 number, since 2×1616444088² = 5225782979260303488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616444083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438493 + ... + 442163.

It is an arithmetic number, because the mean of its divisors is an integer number (72209880).

Almost surely, 2^1616444088 is an apocalyptic number.

It is an amenable number.

1616444088 is an abundant number, since it is smaller than the sum of its proper divisors (3004988232).

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

1616444088 is a wasteful number, since it uses less digits than its factorization.

1616444088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1616444088 is about 40205.0256560047. The cubic root of 1616444088 is about 1173.6003465004.

The spelling of 1616444088 in words is "one billion, six hundred sixteen million, four hundred forty-four thousand, eighty-eight".