18346147832 has 16 divisors (see below), whose sum is σ = 36209502600. Its totient is φ = 8690280480.

The previous prime is 18346147829. The next prime is 18346147867. The reversal of 18346147832 is 23874164381.

It is a super-2 number, since 2×18346147832² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60349019 + ... + 60349322.

Almost surely, 2^18346147832 is an apocalyptic number.

It is an amenable number.

18346147832 is a deficient number, since it is larger than the sum of its proper divisors (17863354768).

18346147832 is a wasteful number, since it uses less digits than its factorization.

18346147832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120698366 (or 120698362 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The spelling of 18346147832 in words is "eighteen billion, three hundred forty-six million, one hundred forty-seven thousand, eight hundred thirty-two".