1081668714 has 64 divisors (see below), whose sum is σ = 2537932800. Its totient is φ = 300957120.

The previous prime is 1081668713. The next prime is 1081668737. The reversal of 1081668714 is 4178661801.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1081668713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261837 + ... + 265935.

It is an arithmetic number, because the mean of its divisors is an integer number (39655200).

Almost surely, 2^1081668714 is an apocalyptic number.

1081668714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081668714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268966400).

1081668714 is an abundant number, since it is smaller than the sum of its proper divisors (1456264086).

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

1081668714 is a wasteful number, since it uses less digits than its factorization.

1081668714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1081668714 is about 32888.7323258286. The cubic root of 1081668714 is about 1026.5137147522.

The spelling of 1081668714 in words is "one billion, eighty-one million, six hundred sixty-eight thousand, seven hundred fourteen".