1067916988 has 6 divisors (see below), whose sum is σ = 1868854736. Its totient is φ = 533958492.

The previous prime is 1067916961. The next prime is 1067916989. The reversal of 1067916988 is 8896197601.

It is a super-2 number, since 2×1067916988² = 2280893386517984288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067916989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133489620 + ... + 133489627.

Almost surely, 2^1067916988 is an apocalyptic number.

It is an amenable number.

1067916988 is a deficient number, since it is larger than the sum of its proper divisors (800937748).

1067916988 is a wasteful number, since it uses less digits than its factorization.

1067916988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266979251 (or 266979249 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 1067916988 is about 32678.9991890817. Note that the first 3 decimals coincide. The cubic root of 1067916988 is about 1022.1449760697.

The spelling of 1067916988 in words is "one billion, sixty-seven million, nine hundred sixteen thousand, nine hundred eighty-eight".