1660245327510 has 128 divisors (see below), whose sum is σ = 4968852553728. Its totient is φ = 344912880000.

The previous prime is 1660245327509. The next prime is 1660245327563. The reversal of 1660245327510 is 157235420661.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11178235 + ... + 11325785.

It is an arithmetic number, because the mean of its divisors is an integer number (38819160576).

Almost surely, 2^{1660245327510} is an apocalyptic number.

1660245327510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1660245327510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2484426276864).

1660245327510 is an abundant number, since it is smaller than the sum of its proper divisors (3308607226218).

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

1660245327510 is a wasteful number, since it uses less digits than its factorization.

1660245327510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152450.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 1660245327510 in words is "one trillion, six hundred sixty billion, two hundred forty-five million, three hundred twenty-seven thousand, five hundred ten".