1056164641 has 4 divisors (see below), whose sum is σ = 1207045312. Its totient is φ = 905283972.

The previous prime is 1056164621. The next prime is 1056164653. The reversal of 1056164641 is 1464616501.

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 1056164641 - 2¹⁹ = 1055640353 is a prime.

It is a super-2 number, since 2×1056164641² = 2230967497797317762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056164597 and 1056164606.

It is not an unprimeable number, because it can be changed into a prime (1056164621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75440325 + ... + 75440338.

It is an arithmetic number, because the mean of its divisors is an integer number (301761328).

Almost surely, 2^1056164641 is an apocalyptic number.

It is an amenable number.

1056164641 is a deficient number, since it is larger than the sum of its proper divisors (150880671).

1056164641 is an equidigital number, since it uses as much as digits as its factorization.

1056164641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150880670.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1056164641 is about 32498.6867580830. The cubic root of 1056164641 is about 1018.3815937358.

The spelling of 1056164641 in words is "one billion, fifty-six million, one hundred sixty-four thousand, six hundred forty-one".