1616603562 has 256 divisors, whose sum is σ = 4578508800. Its totient is φ = 412439040.

The previous prime is 1616603557. The next prime is 1616603591. The reversal of 1616603562 is 2653066161.

1616603562 is a `hidden beast` number, since 1 + 616 + 6 + 0 + 35 + 6 + 2 = 666.

It is a super-2 number, since 2×1616603562² = 5226814153342175688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11799958 + ... + 11800094.

It is an arithmetic number, because the mean of its divisors is an integer number (17884800).

Almost surely, 2^1616603562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616603562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289254400).

1616603562 is an abundant number, since it is smaller than the sum of its proper divisors (2961905238).

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

1616603562 is a wasteful number, since it uses less digits than its factorization.

1616603562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1616603562 is about 40207.0088666143. The cubic root of 1616603562 is about 1173.6389399762.

The spelling of 1616603562 in words is "one billion, six hundred sixteen million, six hundred three thousand, five hundred sixty-two".