18105832770 has 32 divisors (see below), whose sum is σ = 44102570688. Its totient is φ = 4756158528.

The previous prime is 18105832753. The next prime is 18105832807. The reversal of 18105832770 is 7723850181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4501929 + ... + 4505948.

It is an arithmetic number, because the mean of its divisors is an integer number (1378205334).

Almost surely, 2^18105832770 is an apocalyptic number.

18105832770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18105832770 is an abundant number, since it is smaller than the sum of its proper divisors (25996737918).

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

18105832770 is a wasteful number, since it uses less digits than its factorization.

18105832770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007954.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 18105832770 in words is "eighteen billion, one hundred five million, eight hundred thirty-two thousand, seven hundred seventy".