1864013066 has 8 divisors (see below), whose sum is σ = 2812182084. Its totient is φ = 926619040.

The previous prime is 1864013057. The next prime is 1864013071. The reversal of 1864013066 is 6603104681.

It can be written as a sum of positive squares in 2 ways, for example, as 1842899041 + 21114025 = 42929^2 + 4595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693315 + ... + 2694006.

Almost surely, 2^1864013066 is an apocalyptic number.

1864013066 is a deficient number, since it is larger than the sum of its proper divisors (948169018).

1864013066 is a wasteful number, since it uses less digits than its factorization.

1864013066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387496.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1864013066 is about 43174.2176072711. The cubic root of 1864013066 is about 1230.6927742972.

The spelling of 1864013066 in words is "one billion, eight hundred sixty-four million, thirteen thousand, sixty-six".