1604162242 has 8 divisors (see below), whose sum is σ = 2406631500. Its totient is φ = 801951744.

The previous prime is 1604162237. The next prime is 1604162249. The reversal of 1604162242 is 2422614061.

It can be written as a sum of positive squares in 2 ways, for example, as 1489265281 + 114896961 = 38591^2 + 10719^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1604162242.

It is not an unprimeable number, because it can be changed into a prime (1604162249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48367 + ... + 74482.

Almost surely, 2^1604162242 is an apocalyptic number.

1604162242 is a deficient number, since it is larger than the sum of its proper divisors (802469258).

1604162242 is a wasteful number, since it uses less digits than its factorization.

1604162242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129380.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1604162242 is about 40051.9942324973. The cubic root of 1604162242 is about 1170.6204228884.

The spelling of 1604162242 in words is "one billion, six hundred four million, one hundred sixty-two thousand, two hundred forty-two".