1081696392 has 96 divisors (see below), whose sum is σ = 3456161280. Its totient is φ = 299082240.

The previous prime is 1081696379. The next prime is 1081696397. The reversal of 1081696392 is 2936961801.

It is a happy number.

1081696392 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 6 + 9 + 639 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1081696397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18993 + ... + 50240.

It is an arithmetic number, because the mean of its divisors is an integer number (36001680).

Almost surely, 2^1081696392 is an apocalyptic number.

1081696392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081696392 is an abundant number, since it is smaller than the sum of its proper divisors (2374464888).

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

1081696392 is a wasteful number, since it uses less digits than its factorization.

1081696392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69283 (or 69276 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1081696392 is about 32889.1531055453. The cubic root of 1081696392 is about 1026.5224702377.

The spelling of 1081696392 in words is "one billion, eighty-one million, six hundred ninety-six thousand, three hundred ninety-two".