1061530656 has 48 divisors (see below), whose sum is σ = 2825782848. Its totient is φ = 348857600.

The previous prime is 1061530651. The next prime is 1061530667. The reversal of 1061530656 is 6560351601.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1061530656² = 2253694667255580672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061530651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71055 + ... + 84686.

It is an arithmetic number, because the mean of its divisors is an integer number (58870476).

Almost surely, 2^1061530656 is an apocalyptic number.

1061530656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1061530656 is an abundant number, since it is smaller than the sum of its proper divisors (1764252192).

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

1061530656 is a wasteful number, since it uses less digits than its factorization.

1061530656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155825 (or 155817 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1061530656 is about 32581.1395749136. The cubic root of 1061530656 is about 1020.1033651495.

The spelling of 1061530656 in words is "one billion, sixty-one million, five hundred thirty thousand, six hundred fifty-six".