18146200615380 has 72 divisors (see below), whose sum is σ = 55196799840000. Its totient is φ = 4825507741632.

The previous prime is 18146200615369. The next prime is 18146200615409. The reversal of 18146200615380 is 8351600264181.

18146200615380 is a `hidden beast` number, since 1 + 8 + 1 + 4 + 6 + 20 + 0 + 615 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140342380 + ... + 140471619.

It is an arithmetic number, because the mean of its divisors is an integer number (766622220000).

Almost surely, 2^{18146200615380} is an apocalyptic number.

18146200615380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18146200615380 is an abundant number, since it is smaller than the sum of its proper divisors (37050599224620).

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

18146200615380 is a wasteful number, since it uses less digits than its factorization.

18146200615380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280814373 (or 280814368 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 18146200615380 in words is "eighteen trillion, one hundred forty-six billion, two hundred million, six hundred fifteen thousand, three hundred eighty".