18145461669760 has 64 divisors (see below), whose sum is σ = 43387907320800. Its totient is φ = 7256693340160.

The previous prime is 18145461669737. The next prime is 18145461669781. The reversal of 18145461669760 is 6796616454181.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 18145461669692 and 18145461669701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207126 + ... + 6027754.

Almost surely, 2^{18145461669760} is an apocalyptic number.

18145461669760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18145461669760 is an abundant number, since it is smaller than the sum of its proper divisors (25242445651040).

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

18145461669760 is an equidigital number, since it uses as much as digits as its factorization.

18145461669760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825519 (or 5825507 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 18145461669760 in words is "eighteen trillion, one hundred forty-five billion, four hundred sixty-one million, six hundred sixty-nine thousand, seven hundred sixty".