616966242 has 16 divisors (see below), whose sum is σ = 1276482240. Its totient is φ = 198563792.

The previous prime is 616966241. The next prime is 616966313. The reversal of 616966242 is 242669616.

It is a junction number, because it is equal to n+sod(n) for n = 616966194 and 616966203.

It is not an unprimeable number, because it can be changed into a prime (616966241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772718 + ... + 1773065.

It is an arithmetic number, because the mean of its divisors is an integer number (79780140).

Almost surely, 2^616966242 is an apocalyptic number.

616966242 is an abundant number, since it is smaller than the sum of its proper divisors (659515998).

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

616966242 is a wasteful number, since it uses less digits than its factorization.

616966242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545817.

The product of its digits is 186624, while the sum is 42.

The square root of 616966242 is about 24838.8051645002. The cubic root of 616966242 is about 851.3088219469.

The spelling of 616966242 in words is "six hundred sixteen million, nine hundred sixty-six thousand, two hundred forty-two".