1068654381 has 16 divisors (see below), whose sum is σ = 1460981760. Its totient is φ = 694414080.

The previous prime is 1068654371. The next prime is 1068654401. The reversal of 1068654381 is 1834568601.

It is not a de Polignac number, because 1068654381 - 2¹⁹ = 1068130093 is a prime.

It is a super-2 number, since 2×1068654381² = 2284044372060986322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068654311) 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, 153921 + ... + 160713.

It is an arithmetic number, because the mean of its divisors is an integer number (91311360).

Almost surely, 2^1068654381 is an apocalyptic number.

It is an amenable number.

1068654381 is a deficient number, since it is larger than the sum of its proper divisors (392327379).

1068654381 is a wasteful number, since it uses less digits than its factorization.

1068654381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1068654381 is about 32690.2796103062. The cubic root of 1068654381 is about 1022.3801844690.

The spelling of 1068654381 in words is "one billion, sixty-eight million, six hundred fifty-four thousand, three hundred eighty-one".