616420342122 has 32 divisors (see below), whose sum is σ = 1331862884352. Its totient is φ = 189069468864.

The previous prime is 616420342121. The next prime is 616420342169. The reversal of 616420342122 is 221243024616.

It is not an unprimeable number, because it can be changed into a prime (616420342121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12440298 + ... + 12489749.

It is an arithmetic number, because the mean of its divisors is an integer number (41620715136).

Almost surely, 2^616420342122 is an apocalyptic number.

616420342122 is an abundant number, since it is smaller than the sum of its proper divisors (715442542230).

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

616420342122 is a wasteful number, since it uses less digits than its factorization.

616420342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24930382.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 616420342122 its reverse (221243024616), we get a palindrome (837663366738).

The spelling of 616420342122 in words is "six hundred sixteen billion, four hundred twenty million, three hundred forty-two thousand, one hundred twenty-two".