18352620350 has 24 divisors (see below), whose sum is σ = 34567980960. Its totient is φ = 7248121920.

The previous prime is 18352620343. The next prime is 18352620389. The reversal of 18352620350 is 5302625381.

It is a super-2 number, since 2×18352620350² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18352620350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2319167 + ... + 2327066.

It is an arithmetic number, because the mean of its divisors is an integer number (1440332540).

Almost surely, 2^18352620350 is an apocalyptic number.

18352620350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18352620350 is a deficient number, since it is larger than the sum of its proper divisors (16215360610).

18352620350 is a wasteful number, since it uses less digits than its factorization.

18352620350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646324 (or 4646319 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 18352620350 in words is "eighteen billion, three hundred fifty-two million, six hundred twenty thousand, three hundred fifty".