18629161324 has 24 divisors (see below), whose sum is σ = 32824461600. Its totient is φ = 9250914816.

The previous prime is 18629161321. The next prime is 18629161361. The reversal of 18629161324 is 42316192681.

It is a super-3 number, since 3×18629161324³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18629161321) 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, 422364 + ... + 464380.

It is an arithmetic number, because the mean of its divisors is an integer number (1367685900).

Almost surely, 2^18629161324 is an apocalyptic number.

It is an amenable number.

18629161324 is a deficient number, since it is larger than the sum of its proper divisors (14195300276).

18629161324 is a wasteful number, since it uses less digits than its factorization.

18629161324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42777 (or 42775 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The spelling of 18629161324 in words is "eighteen billion, six hundred twenty-nine million, one hundred sixty-one thousand, three hundred twenty-four".