1656160001 has 4 divisors (see below), whose sum is σ = 1656711600. Its totient is φ = 1655608404.

The previous prime is 1656159977. The next prime is 1656160013. The reversal of 1656160001 is 1000616561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1656160001 - 2⁶ = 1656159937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1656160021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 271271 + ... + 277308.

It is an arithmetic number, because the mean of its divisors is an integer number (414177900).

Almost surely, 2^1656160001 is an apocalyptic number.

It is an amenable number.

1656160001 is a deficient number, since it is larger than the sum of its proper divisors (551599).

1656160001 is an equidigital number, since it uses as much as digits as its factorization.

1656160001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551598.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1656160001 is about 40695.9457563035. The cubic root of 1656160001 is about 1183.1344418929.

Adding to 1656160001 its reverse (1000616561), we get a palindrome (2656776562).

The spelling of 1656160001 in words is "one billion, six hundred fifty-six million, one hundred sixty thousand, one".