14661887385 has 16 divisors (see below), whose sum is σ = 23460995520. Its totient is φ = 7819014720.

The previous prime is 14661887381. The next prime is 14661887393. The reversal of 14661887385 is 58378816641.

It is a happy number.

It is not a de Polignac number, because 14661887385 - 2² = 14661887381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14661887381) 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 15 ways as a sum of consecutive naturals, for example, 181870 + ... + 249800.

It is an arithmetic number, because the mean of its divisors is an integer number (1466312220).

Almost surely, 2^14661887385 is an apocalyptic number.

14661887385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14661887385 is a deficient number, since it is larger than the sum of its proper divisors (8799108135).

14661887385 is a wasteful number, since it uses less digits than its factorization.

14661887385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82328.

The product of its digits is 7741440, while the sum is 57.

The spelling of 14661887385 in words is "fourteen billion, six hundred sixty-one million, eight hundred eighty-seven thousand, three hundred eighty-five".