1616230980 has 288 divisors, whose sum is σ = 6115200000. Its totient is φ = 336420864.

The previous prime is 1616230961. The next prime is 1616230997. The reversal of 1616230980 is 890326161.

1616230980 is a `hidden beast` number, since 1 + 616 + 2 + 30 + 9 + 8 + 0 = 666.

It is a super-2 number, since 2×1616230980² = 5224405161423520800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 1293396 + ... + 1294644.

Almost surely, 2^1616230980 is an apocalyptic number.

1616230980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616230980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057600000).

1616230980 is an abundant number, since it is smaller than the sum of its proper divisors (4498969020).

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

1616230980 is a wasteful number, since it uses less digits than its factorization.

1616230980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1616230980 is about 40202.3753029594. The cubic root of 1616230980 is about 1173.5487693758.

The spelling of 1616230980 in words is "one billion, six hundred sixteen million, two hundred thirty thousand, nine hundred eighty".