616063940 has 24 divisors (see below), whose sum is σ = 1294200600. Its totient is φ = 246336768.

The previous prime is 616063939. The next prime is 616063979. The reversal of 616063940 is 49360616.

It can be written as a sum of positive squares in 4 ways, for example, as 35832196 + 580231744 = 5986^2 + 24088^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 616063940.

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 7 ways as a sum of consecutive naturals, for example, 106154 + ... + 111806.

It is an arithmetic number, because the mean of its divisors is an integer number (53925025).

Almost surely, 2^616063940 is an apocalyptic number.

It is an amenable number.

616063940 is an abundant number, since it is smaller than the sum of its proper divisors (678136660).

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

616063940 is a wasteful number, since it uses less digits than its factorization.

616063940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111 (or 11109 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 616063940 is about 24820.6353665655. The cubic root of 616063940 is about 850.8936115365.

The spelling of 616063940 in words is "six hundred sixteen million, sixty-three thousand, nine hundred forty".