1068831892 has 6 divisors (see below), whose sum is σ = 1870455818. Its totient is φ = 534415944.

The previous prime is 1068831823. The next prime is 1068831899. The reversal of 1068831892 is 2981388601.

It can be written as a sum of positive squares in only one way, i.e., 1067720976 + 1110916 = 32676^2 + 1054^2 .

It is a super-2 number, since 2×1068831892² = 2284803226712599328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068831899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133603983 + ... + 133603990.

Almost surely, 2^1068831892 is an apocalyptic number.

It is an amenable number.

1068831892 is a deficient number, since it is larger than the sum of its proper divisors (801623926).

1068831892 is a wasteful number, since it uses less digits than its factorization.

1068831892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267207977 (or 267207975 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 1068831892 is about 32692.9945401152. The cubic root of 1068831892 is about 1022.4367895119.

The spelling of 1068831892 in words is "one billion, sixty-eight million, eight hundred thirty-one thousand, eight hundred ninety-two".