1918182001 has 16 divisors (see below), whose sum is σ = 1986248448. Its totient is φ = 1851408000.

The previous prime is 1918181987. The next prime is 1918182011. The reversal of 1918182001 is 1002818191.

It is a cyclic number.

It is not a de Polignac number, because 1918182001 - 2²⁹ = 1381311089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1918182011) 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, 1485166 + ... + 1486456.

It is an arithmetic number, because the mean of its divisors is an integer number (124140528).

Almost surely, 2^1918182001 is an apocalyptic number.

It is an amenable number.

1918182001 is a deficient number, since it is larger than the sum of its proper divisors (68066447).

1918182001 is a wasteful number, since it uses less digits than its factorization.

1918182001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 1918182001 is about 43797.0547069092. The cubic root of 1918182001 is about 1242.5005906125.

The spelling of 1918182001 in words is "one billion, nine hundred eighteen million, one hundred eighty-two thousand, one".