1081662336 has 80 divisors (see below), whose sum is σ = 3219040440. Its totient is φ = 360550656.

The previous prime is 1081662313. The next prime is 1081662353. The reversal of 1081662336 is 6332661801.

1081662336 is a `hidden beast` number, since 10 + 8 + 16 + 623 + 3 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1081662336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41796 + ... + 62531.

Almost surely, 2^1081662336 is an apocalyptic number.

1081662336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1081662336 is an abundant number, since it is smaller than the sum of its proper divisors (2137378104).

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

1081662336 is an equidigital number, since it uses as much as digits as its factorization.

1081662336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104353 (or 104332 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1081662336 is about 32888.6353623862. The cubic root of 1081662336 is about 1026.5116971544.

The spelling of 1081662336 in words is "one billion, eighty-one million, six hundred sixty-two thousand, three hundred thirty-six".