18246143315 has 16 divisors (see below), whose sum is σ = 22319165088. Its totient is φ = 14314649856.

The previous prime is 18246143303. The next prime is 18246143341. The reversal of 18246143315 is 51334164281.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18246143315 is a prime.

It is a Duffinian number.

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, 579047 + ... + 609743.

It is an arithmetic number, because the mean of its divisors is an integer number (1394947818).

Almost surely, 2^18246143315 is an apocalyptic number.

18246143315 is a deficient number, since it is larger than the sum of its proper divisors (4073021773).

18246143315 is a wasteful number, since it uses less digits than its factorization.

18246143315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32998.

The product of its digits is 69120, while the sum is 38.

The spelling of 18246143315 in words is "eighteen billion, two hundred forty-six million, one hundred forty-three thousand, three hundred fifteen".