18152947514 has 16 divisors (see below), whose sum is σ = 31048933608. Its totient is φ = 7885443072.

The previous prime is 18152947499. The next prime is 18152947591. The reversal of 18152947514 is 41574925181.

It can be written as a sum of positive squares in 4 ways, for example, as 16797456025 + 1355491489 = 129605^2 + 36817^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20534567 + ... + 20535450.

Almost surely, 2^18152947514 is an apocalyptic number.

18152947514 is a deficient number, since it is larger than the sum of its proper divisors (12895986094).

18152947514 is a wasteful number, since it uses less digits than its factorization.

18152947514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41070049.

The product of its digits is 403200, while the sum is 47.

The spelling of 18152947514 in words is "eighteen billion, one hundred fifty-two million, nine hundred forty-seven thousand, five hundred fourteen".