1061536680 has 48 divisors (see below), whose sum is σ = 3449995380. Its totient is φ = 283076352.

The previous prime is 1061536607. The next prime is 1061536709. The reversal of 1061536680 is 866351601.

It is a happy number.

1061536680 is a `hidden beast` number, since 1 + 0 + 61 + 536 + 68 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1037741796 + 23794884 = 32214^2 + 4878^2 .

It is a super-2 number, since 2×1061536680² = 2253720245970844800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1473997 + ... + 1474716.

Almost surely, 2^1061536680 is an apocalyptic number.

1061536680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061536680 is an abundant number, since it is smaller than the sum of its proper divisors (2388458700).

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

1061536680 is a wasteful number, since it uses less digits than its factorization.

1061536680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948730 (or 2948723 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1061536680 is about 32581.2320209043. The cubic root of 1061536680 is about 1020.1052947817.

The spelling of 1061536680 in words is "one billion, sixty-one million, five hundred thirty-six thousand, six hundred eighty".