1608420842 has 8 divisors (see below), whose sum is σ = 2757292896. Its totient is φ = 689323212.

The previous prime is 1608420811. The next prime is 1608420901. The reversal of 1608420842 is 2480248061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57443588 + ... + 57443615.

It is an arithmetic number, because the mean of its divisors is an integer number (344661612).

Almost surely, 2^1608420842 is an apocalyptic number.

1608420842 is a deficient number, since it is larger than the sum of its proper divisors (1148872054).

1608420842 is a wasteful number, since it uses less digits than its factorization.

1608420842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114887212.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 1608420842 is about 40105.1223910363. The cubic root of 1608420842 is about 1171.6553970032.

The spelling of 1608420842 in words is "one billion, six hundred eight million, four hundred twenty thousand, eight hundred forty-two".