616650042 has 16 divisors (see below), whose sum is σ = 1233614592. Its totient is φ = 205497600.

The previous prime is 616650031. The next prime is 616650043. The reversal of 616650042 is 240056616.

It is a junction number, because it is equal to n+sod(n) for n = 616649991 and 616650009.

It is not an unprimeable number, because it can be changed into a prime (616650043) by changing a digit.

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, 18103 + ... + 39509.

It is an arithmetic number, because the mean of its divisors is an integer number (77100912).

Almost surely, 2^616650042 is an apocalyptic number.

616650042 is an abundant number, since it is smaller than the sum of its proper divisors (616964550).

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

616650042 is a wasteful number, since it uses less digits than its factorization.

616650042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 616650042 is about 24832.4393082919. The cubic root of 616650042 is about 851.1633629626.

The spelling of 616650042 in words is "six hundred sixteen million, six hundred fifty thousand, forty-two".