18527207061 has 64 divisors (see below), whose sum is σ = 28450667520. Its totient is φ = 10620771840.

The previous prime is 18527207047. The next prime is 18527207077. The reversal of 18527207061 is 16070272581.

It is not a de Polignac number, because 18527207061 - 2²⁶ = 18460098197 is a prime.

It is a super-5 number, since 5×18527207061⁵ (a number of 53 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18527207261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11386530 + ... + 11388156.

It is an arithmetic number, because the mean of its divisors is an integer number (444541680).

Almost surely, 2^18527207061 is an apocalyptic number.

18527207061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18527207061 is a deficient number, since it is larger than the sum of its proper divisors (9923460459).

18527207061 is a wasteful number, since it uses less digits than its factorization.

18527207061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 18527207061 in words is "eighteen billion, five hundred twenty-seven million, two hundred seven thousand, sixty-one".