18202612147 has 8 divisors (see below), whose sum is σ = 19895075712. Its totient is φ = 16579228800.

The previous prime is 18202612133. The next prime is 18202612159. The reversal of 18202612147 is 74121620281.

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 18202612147 - 2²³ = 18194223539 is a prime.

It is a super-2 number, since 2×18202612147² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18202613147) 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, 17269504 + ... + 17270557.

It is an arithmetic number, because the mean of its divisors is an integer number (2486884464).

Almost surely, 2^18202612147 is an apocalyptic number.

18202612147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18202612147 is a deficient number, since it is larger than the sum of its proper divisors (1692463565).

18202612147 is a wasteful number, since it uses less digits than its factorization.

18202612147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34540109.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 18202612147 in words is "eighteen billion, two hundred two million, six hundred twelve thousand, one hundred forty-seven".