1656160004 has 24 divisors (see below), whose sum is σ = 3100843200. Its totient is φ = 771634080.

The previous prime is 1656159977. The next prime is 1656160013. The reversal of 1656160004 is 4000616561.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 173984 + ... + 183255.

It is an arithmetic number, because the mean of its divisors is an integer number (129201800).

Almost surely, 2^1656160004 is an apocalyptic number.

It is an amenable number.

1656160004 is a deficient number, since it is larger than the sum of its proper divisors (1444683196).

1656160004 is a wasteful number, since it uses less digits than its factorization.

1656160004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357323 (or 357321 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1656160004 is about 40695.9457931622. The cubic root of 1656160004 is about 1183.1344426073.

Adding to 1656160004 its reverse (4000616561), we get a palindrome (5656776565).

The spelling of 1656160004 in words is "one billion, six hundred fifty-six million, one hundred sixty thousand, four".