18075216312130 has 64 divisors (see below), whose sum is σ = 33424328796768. Its totient is φ = 7034911037440.

The previous prime is 18075216312019. The next prime is 18075216312143. The reversal of 18075216312130 is 3121361257081.

It can be written as a sum of positive squares in 16 ways, for example, as 1288422497569 + 16786793814561 = 1135087^2 + 4097169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73431060 + ... + 73676800.

Almost surely, 2^{18075216312130} is an apocalyptic number.

18075216312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18075216312130 is a deficient number, since it is larger than the sum of its proper divisors (15349112484638).

18075216312130 is a wasteful number, since it uses less digits than its factorization.

18075216312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246951.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 18075216312130 in words is "eighteen trillion, seventy-five billion, two hundred sixteen million, three hundred twelve thousand, one hundred thirty".