1018668082 has 4 divisors (see below), whose sum is σ = 1528002126. Its totient is φ = 509334040.

The previous prime is 1018668037. The next prime is 1018668149. The reversal of 1018668082 is 2808668101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2808668101 = 151 ⋅18600451.

It can be written as a sum of positive squares in only one way, i.e., 744798681 + 273869401 = 27291^2 + 16549^2 .

It is a super-2 number, since 2×1018668082² = 2075369322571117448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254667019 + ... + 254667022.

Almost surely, 2^1018668082 is an apocalyptic number.

1018668082 is a deficient number, since it is larger than the sum of its proper divisors (509334044).

1018668082 is an equidigital number, since it uses as much as digits as its factorization.

1018668082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509334043.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 1018668082 is about 31916.5800486205. The cubic root of 1018668082 is about 1006.1843687400.

The spelling of 1018668082 in words is "one billion, eighteen million, six hundred sixty-eight thousand, eighty-two".