1868071084 has 36 divisors (see below), whose sum is σ = 3597108424. Its totient is φ = 848232000.

The previous prime is 1868071081. The next prime is 1868071091. The reversal of 1868071084 is 4801708681.

It is a self number, because there is not a number n which added to its sum of digits gives 1868071084.

It is not an unprimeable number, because it can be changed into a prime (1868071081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739744 + ... + 742264.

Almost surely, 2^1868071084 is an apocalyptic number.

It is an amenable number.

1868071084 is a deficient number, since it is larger than the sum of its proper divisors (1729037340).

1868071084 is a wasteful number, since it uses less digits than its factorization.

1868071084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078 (or 4065 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 1868071084 is about 43221.1879059334. The cubic root of 1868071084 is about 1231.5852132574.

The spelling of 1868071084 in words is "one billion, eight hundred sixty-eight million, seventy-one thousand, eighty-four".