1818165006 has 24 divisors (see below), whose sum is σ = 4502123184. Its totient is φ = 519475680.

The previous prime is 1818164989. The next prime is 1818165007. The reversal of 1818165006 is 6005618181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818165007) 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, 7214815 + ... + 7215066.

It is an arithmetic number, because the mean of its divisors is an integer number (187588466).

Almost surely, 2^1818165006 is an apocalyptic number.

1818165006 is an abundant number, since it is smaller than the sum of its proper divisors (2683958178).

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

1818165006 is a wasteful number, since it uses less digits than its factorization.

1818165006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14429896 (or 14429893 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1818165006 is about 42639.9461303600. The cubic root of 1818165006 is about 1220.5186825237.

The spelling of 1818165006 in words is "one billion, eight hundred eighteen million, one hundred sixty-five thousand, six".