1018696968 has 24 divisors (see below), whose sum is σ = 2758971150. Its totient is φ = 339565632.

The previous prime is 1018696963. The next prime is 1018696981. The reversal of 1018696968 is 8696968101.

It can be written as a sum of positive squares in only one way, i.e., 1016206884 + 2490084 = 31878^2 + 1578^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1018696968² = 2075487025224786048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1018696963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7074213 + ... + 7074356.

Almost surely, 2^1018696968 is an apocalyptic number.

1018696968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1018696968 is an abundant number, since it is smaller than the sum of its proper divisors (1740274182).

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

1018696968 is a wasteful number, since it uses less digits than its factorization.

1018696968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148581 (or 14148574 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 1018696968 is about 31917.0325688338. The cubic root of 1018696968 is about 1006.1938793180.

The spelling of 1018696968 in words is "one billion, eighteen million, six hundred ninety-six thousand, nine hundred sixty-eight".