18150526873 has 8 divisors (see below), whose sum is σ = 18817507080. Its totient is φ = 17486286720.

The previous prime is 18150526859. The next prime is 18150526903. The reversal of 18150526873 is 37862505181.

It can be written as a sum of positive squares in 4 ways, for example, as 1605364489 + 16545162384 = 40067^2 + 128628^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18150526873 - 2⁵ = 18150526841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18150526673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671518 + ... + 698023.

It is an arithmetic number, because the mean of its divisors is an integer number (2352188385).

Almost surely, 2^18150526873 is an apocalyptic number.

It is an amenable number.

18150526873 is a deficient number, since it is larger than the sum of its proper divisors (666980207).

18150526873 is a wasteful number, since it uses less digits than its factorization.

18150526873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370027.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 18150526873 in words is "eighteen billion, one hundred fifty million, five hundred twenty-six thousand, eight hundred seventy-three".