16670496457440 has 1728 divisors, whose sum is σ = 70855344967680. Its totient is φ = 3621580554240.

The previous prime is 16670496457403. The next prime is 16670496457487. The reversal of 16670496457440 is 4475469407661.

16670496457440 is a `hidden beast` number, since 1 + 6 + 6 + 70 + 496 + 4 + 5 + 74 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 111882526486 + ... + 111882526634.

It is an arithmetic number, because the mean of its divisors is an integer number (41004250560).

Almost surely, 2^{16670496457440} is an apocalyptic number.

16670496457440 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 16670496457440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35427672483840).

16670496457440 is an abundant number, since it is smaller than the sum of its proper divisors (54184848510240).

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

16670496457440 is an equidigital number, since it uses as much as digits as its factorization.

16670496457440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 16670496457440 in words is "sixteen trillion, six hundred seventy billion, four hundred ninety-six million, four hundred fifty-seven thousand, four hundred forty".