18086571294 has 16 divisors (see below), whose sum is σ = 39461610240. Its totient is φ = 5480779160.

The previous prime is 18086571277. The next prime is 18086571299. The reversal of 18086571294 is 49217568081.

It is a super-2 number, since 2×18086571294² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18086571299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137019414 + ... + 137019545.

It is an arithmetic number, because the mean of its divisors is an integer number (2466350640).

Almost surely, 2^18086571294 is an apocalyptic number.

18086571294 is an abundant number, since it is smaller than the sum of its proper divisors (21375038946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18086571294 is a wasteful number, since it uses less digits than its factorization.

18086571294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274038975.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 18086571294 in words is "eighteen billion, eighty-six million, five hundred seventy-one thousand, two hundred ninety-four".