1002160044 has 18 divisors (see below), whose sum is σ = 2533237980. Its totient is φ = 334053336.

The previous prime is 1002160043. The next prime is 1002160057. The reversal of 1002160044 is 4400612001.

1002160044 is a `hidden beast` number, since 1 + 0 + 0 + 21 + 600 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1002159999 and 1002160026.

It is not an unprimeable number, because it can be changed into a prime (1002160043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13918854 + ... + 13918925.

Almost surely, 2^1002160044 is an apocalyptic number.

It is an amenable number.

1002160044 is an abundant number, since it is smaller than the sum of its proper divisors (1531077936).

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

1002160044 is a wasteful number, since it uses less digits than its factorization.

1002160044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27837789 (or 27837784 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1002160044 is about 31656.9114728522. The cubic root of 1002160044 is about 1000.7194968668.

Adding to 1002160044 its reverse (4400612001), we get a palindrome (5402772045).

The spelling of 1002160044 in words is "one billion, two million, one hundred sixty thousand, forty-four".