1068299631 has 32 divisors (see below), whose sum is σ = 1857658880. Its totient is φ = 593954208.

The previous prime is 1068299569. The next prime is 1068299671. The reversal of 1068299631 is 1369928601.

It is a happy number.

1068299631 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 2 + 9 + 9 + 631 = 666.

It is not a de Polignac number, because 1068299631 - 2⁷ = 1068299503 is a prime.

It is a super-2 number, since 2×1068299631² = 2282528203189472322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068299671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69391 + ... + 83376.

It is an arithmetic number, because the mean of its divisors is an integer number (58051840).

Almost surely, 2^1068299631 is an apocalyptic number.

1068299631 is a deficient number, since it is larger than the sum of its proper divisors (789359249).

1068299631 is a wasteful number, since it uses less digits than its factorization.

1068299631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152820 (or 152814 counting only the distinct ones).

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

The square root of 1068299631 is about 32684.8532350996. The cubic root of 1068299631 is about 1022.2670423353.

The spelling of 1068299631 in words is "one billion, sixty-eight million, two hundred ninety-nine thousand, six hundred thirty-one".