1601043842 has 8 divisors (see below), whose sum is σ = 2401794300. Its totient is φ = 800445744.

The previous prime is 1601043827. The next prime is 1601043853. The reversal of 1601043842 is 2483401061.

It can be written as a sum of positive squares in 2 ways, for example, as 1600720081 + 323761 = 40009^2 + 569^2 .

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

It is a super-2 number, since 2×1601043842² = 5126682768012241928, which contains 22 as substring.

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, 6617 + ... + 56972.

Almost surely, 2^1601043842 is an apocalyptic number.

1601043842 is a deficient number, since it is larger than the sum of its proper divisors (800750458).

1601043842 is a wasteful number, since it uses less digits than its factorization.

1601043842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76180.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1601043842 is about 40013.0458975570. The cubic root of 1601043842 is about 1169.8613910359.

The spelling of 1601043842 in words is "one billion, six hundred one million, forty-three thousand, eight hundred forty-two".