18620364748 has 24 divisors (see below), whose sum is σ = 34028759520. Its totient is φ = 8898489600.

The previous prime is 18620364739. The next prime is 18620364767. The reversal of 18620364748 is 84746302681.

It is a super-2 number, since 2×18620364748² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41908 + ... + 197476.

It is an arithmetic number, because the mean of its divisors is an integer number (1417864980).

Almost surely, 2^18620364748 is an apocalyptic number.

It is an amenable number.

18620364748 is a deficient number, since it is larger than the sum of its proper divisors (15408394772).

18620364748 is a wasteful number, since it uses less digits than its factorization.

18620364748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156897 (or 156895 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 18620364748 in words is "eighteen billion, six hundred twenty million, three hundred sixty-four thousand, seven hundred forty-eight".