18080170730 has 16 divisors (see below), whose sum is σ = 32759835264. Its totient is φ = 7184173200.

The previous prime is 18080170729. The next prime is 18080170739. The reversal of 18080170730 is 3707108081.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18080170739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5985302 + ... + 5988321.

It is an arithmetic number, because the mean of its divisors is an integer number (2047489704).

Almost surely, 2^18080170730 is an apocalyptic number.

18080170730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18080170730 is a deficient number, since it is larger than the sum of its proper divisors (14679664534).

18080170730 is a wasteful number, since it uses less digits than its factorization.

18080170730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11973781.

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 18080170730 in words is "eighteen billion, eighty million, one hundred seventy thousand, seven hundred thirty".