1616788852 has 48 divisors (see below), whose sum is σ = 3330183808. Its totient is φ = 672312960.

The previous prime is 1616788847. The next prime is 1616788871. The reversal of 1616788852 is 2588876161.

It is a super-2 number, since 2×1616788852² = 5228012383902955808, 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 1616788852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409327 + ... + 413257.

Almost surely, 2^1616788852 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 1616788852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665091904).

1616788852 is an abundant number, since it is smaller than the sum of its proper divisors (1713394956).

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

1616788852 is a wasteful number, since it uses less digits than its factorization.

1616788852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376 (or 4374 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 52.

The square root of 1616788852 is about 40209.3130008460. The cubic root of 1616788852 is about 1173.6837778607.

The spelling of 1616788852 in words is "one billion, six hundred sixteen million, seven hundred eighty-eight thousand, eight hundred fifty-two".