1656160005 has 16 divisors (see below), whose sum is σ = 2681784000. Its totient is φ = 872642688.

The previous prime is 1656159977. The next prime is 1656160013. The reversal of 1656160005 is 5000616561.

It is not a de Polignac number, because 1656160005 - 2¹⁰ = 1656158981 is a prime.

It is a congruent number.

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, 663880 + ... + 666369.

It is an arithmetic number, because the mean of its divisors is an integer number (167611500).

Almost surely, 2^1656160005 is an apocalyptic number.

1656160005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1656160005 is a deficient number, since it is larger than the sum of its proper divisors (1025623995).

1656160005 is a wasteful number, since it uses less digits than its factorization.

1656160005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330340.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1656160005 is about 40695.9458054485. The cubic root of 1656160005 is about 1183.1344428454.

Adding to 1656160005 its reverse (5000616561), we get a palindrome (6656776566).

The spelling of 1656160005 in words is "one billion, six hundred fifty-six million, one hundred sixty thousand, five".