1061691608 has 16 divisors (see below), whose sum is σ = 1992418560. Its totient is φ = 530380000.

The previous prime is 1061691577. The next prime is 1061691611. The reversal of 1061691608 is 8061961601.

It is a super-2 number, since 2×1061691608² = 2254378140995251328, 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48443 + ... + 66858.

It is an arithmetic number, because the mean of its divisors is an integer number (124526160).

Almost surely, 2^1061691608 is an apocalyptic number.

It is an amenable number.

1061691608 is a deficient number, since it is larger than the sum of its proper divisors (930726952).

1061691608 is a wasteful number, since it uses less digits than its factorization.

1061691608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116458 (or 116454 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1061691608 is about 32583.6094992559. The cubic root of 1061691608 is about 1020.1549194400.

The spelling of 1061691608 in words is "one billion, sixty-one million, six hundred ninety-one thousand, six hundred eight".