18356416675740 has 2304 divisors, whose sum is σ = 74837015285760. Its totient is φ = 3596982681600.

The previous prime is 18356416675693. The next prime is 18356416675747. The reversal of 18356416675740 is 4757661465381.

18356416675740 is a `hidden beast` number, since 1 + 8 + 3 + 56 + 4 + 1 + 6 + 6 + 7 + 574 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18356416675747) by changing a digit.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 71425745692 + ... + 71425745948.

It is an arithmetic number, because the mean of its divisors is an integer number (32481343440).

Almost surely, 2^{18356416675740} is an apocalyptic number.

18356416675740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18356416675740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37418507642880).

18356416675740 is an abundant number, since it is smaller than the sum of its proper divisors (56480598610020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18356416675740 is a wasteful number, since it uses less digits than its factorization.

18356416675740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 18356416675740 in words is "eighteen trillion, three hundred fifty-six billion, four hundred sixteen million, six hundred seventy-five thousand, seven hundred forty".