1001600004 has 48 divisors (see below), whose sum is σ = 2373517440. Its totient is φ = 328677120.

The previous prime is 1001599997. The next prime is 1001600071. The reversal of 1001600004 is 4000061001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902602 + ... + 903710.

It is an arithmetic number, because the mean of its divisors is an integer number (49448280).

Almost surely, 2^1001600004 is an apocalyptic number.

It is an amenable number.

1001600004 is an abundant number, since it is smaller than the sum of its proper divisors (1371917436).

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

1001600004 is a wasteful number, since it uses less digits than its factorization.

1001600004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1001600004 is about 31648.0647749590. The cubic root of 1001600004 is about 1000.5330504734.

Adding to 1001600004 its reverse (4000061001), we get a palindrome (5001661005).

The spelling of 1001600004 in words is "one billion, one million, six hundred thousand, four".