18063505670 has 64 divisors (see below), whose sum is σ = 37639074816. Its totient is φ = 6113639040.

The previous prime is 18063505597. The next prime is 18063505673. The reversal of 18063505670 is 7650536081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18063505673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2190455 + ... + 2198685.

It is an arithmetic number, because the mean of its divisors is an integer number (588110544).

Almost surely, 2^18063505670 is an apocalyptic number.

18063505670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18063505670 is an abundant number, since it is smaller than the sum of its proper divisors (19575569146).

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

18063505670 is a wasteful number, since it uses less digits than its factorization.

18063505670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 18063505670 in words is "eighteen billion, sixty-three million, five hundred five thousand, six hundred seventy".