1067899668 has 48 divisors (see below), whose sum is σ = 2781520896. Its totient is φ = 316078560.

The previous prime is 1067899631. The next prime is 1067899669. The reversal of 1067899668 is 8669987601.

It is a super-2 number, since 2×1067899668² = 2280819401829020448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067899669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88396 + ... + 99747.

It is an arithmetic number, because the mean of its divisors is an integer number (57948352).

Almost surely, 2^1067899668 is an apocalyptic number.

It is an amenable number.

1067899668 is an abundant number, since it is smaller than the sum of its proper divisors (1713621228).

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

1067899668 is a wasteful number, since it uses less digits than its factorization.

1067899668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188204 (or 188202 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 1067899668 is about 32678.7341860116. The cubic root of 1067899668 is about 1022.1394501575.

The spelling of 1067899668 in words is "one billion, sixty-seven million, eight hundred ninety-nine thousand, six hundred sixty-eight".