1056164646 has 16 divisors (see below), whose sum is σ = 2204169984. Its totient is φ = 336748104.

The previous prime is 1056164621. The next prime is 1056164653. The reversal of 1056164646 is 6464616501.

It is a happy number.

It is a super-2 number, since 2×1056164646² = 2230967518920610632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826546 + ... + 3826821.

It is an arithmetic number, because the mean of its divisors is an integer number (137760624).

Almost surely, 2^1056164646 is an apocalyptic number.

1056164646 is an abundant number, since it is smaller than the sum of its proper divisors (1148005338).

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

1056164646 is a wasteful number, since it uses less digits than its factorization.

1056164646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653395.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1056164646 is about 32498.6868350092. The cubic root of 1056164646 is about 1018.3815953428.

The spelling of 1056164646 in words is "one billion, fifty-six million, one hundred sixty-four thousand, six hundred forty-six".