1068781652 has 6 divisors (see below), whose sum is σ = 1870367898. Its totient is φ = 534390824.

The previous prime is 1068781627. The next prime is 1068781723. The reversal of 1068781652 is 2561878601.

It is a happy number.

1068781652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 826792516 + 241989136 = 28754^2 + 15556^2 .

It is a super-2 number, since 2×1068781652² = 2284588439303698208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133597703 + ... + 133597710.

It is an arithmetic number, because the mean of its divisors is an integer number (311727983).

Almost surely, 2^1068781652 is an apocalyptic number.

It is an amenable number.

1068781652 is a deficient number, since it is larger than the sum of its proper divisors (801586246).

1068781652 is a wasteful number, since it uses less digits than its factorization.

1068781652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267195417 (or 267195415 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 1068781652 is about 32692.2261707581. The cubic root of 1068781652 is about 1022.4207695217.

The spelling of 1068781652 in words is "one billion, sixty-eight million, seven hundred eighty-one thousand, six hundred fifty-two".