14660998770 has 128 divisors (see below), whose sum is σ = 39509897472. Its totient is φ = 3450470400.

The previous prime is 14660998621. The next prime is 14660998771. The reversal of 14660998770 is 7789906641.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14660998770.

It is not an unprimeable number, because it can be changed into a prime (14660998771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7044130 + ... + 7046210.

It is an arithmetic number, because the mean of its divisors is an integer number (308671074).

Almost surely, 2^14660998770 is an apocalyptic number.

14660998770 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 14660998770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19754948736).

14660998770 is an abundant number, since it is smaller than the sum of its proper divisors (24848898702).

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

14660998770 is a wasteful number, since it uses less digits than its factorization.

14660998770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 14660998770 in words is "fourteen billion, six hundred sixty million, nine hundred ninety-eight thousand, seven hundred seventy".