18346277446 has 8 divisors (see below), whose sum is σ = 31450761360. Its totient is φ = 7862690328.

The previous prime is 18346277407. The next prime is 18346277473. The reversal of 18346277446 is 64477264381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18346277446² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18346277393 and 18346277402.

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, 655224181 + ... + 655224208.

It is an arithmetic number, because the mean of its divisors is an integer number (3931345170).

Almost surely, 2^18346277446 is an apocalyptic number.

18346277446 is a deficient number, since it is larger than the sum of its proper divisors (13104483914).

18346277446 is a wasteful number, since it uses less digits than its factorization.

18346277446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310448398.

The product of its digits is 5419008, while the sum is 52.

The spelling of 18346277446 in words is "eighteen billion, three hundred forty-six million, two hundred seventy-seven thousand, four hundred forty-six".