1600080002 has 8 divisors (see below), whose sum is σ = 2400649356. Its totient is φ = 799863552.

The previous prime is 1600079993. The next prime is 1600080011. The reversal of 1600080002 is 2000800061.

It is a Cunningham number, because it is equal to 40001²+1.

It is an interprime number because it is at equal distance from previous prime (1600079993) and next prime (1600080011).

It can be written as a sum of positive squares in 2 ways, for example, as 1600080001 + 1 = 40001^2 + 1^2 .

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

It is a super-3 number, since 3×1600080002³ (a number of 29 digits) contains 333 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, 76583 + ... + 95210.

Almost surely, 2^1600080002 is an apocalyptic number.

1600080002 is a deficient number, since it is larger than the sum of its proper divisors (800569354).

1600080002 is a wasteful number, since it uses less digits than its factorization.

1600080002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176452.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1600080002 is about 40001.0000124997. Note that the first 4 decimals coincide. The cubic root of 1600080002 is about 1169.6265888992.

Adding to 1600080002 its reverse (2000800061), we get a palindrome (3600880063).

The spelling of 1600080002 in words is "one billion, six hundred million, eighty thousand, two".