14660420047557 has 16 divisors (see below), whose sum is σ = 19737208752768. Its totient is φ = 9678624307200.

The previous prime is 14660420047549. The next prime is 14660420047597. The reversal of 14660420047557 is 75574002406641.

It is not a de Polignac number, because 14660420047557 - 2³ = 14660420047549 is a prime.

It is a super-2 number, since 2×14660420047557² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14660420047547) 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, 41189557 + ... + 41543957.

It is an arithmetic number, because the mean of its divisors is an integer number (1233575547048).

Almost surely, 2^{14660420047557} is an apocalyptic number.

It is an amenable number.

14660420047557 is a deficient number, since it is larger than the sum of its proper divisors (5076788705211).

14660420047557 is a wasteful number, since it uses less digits than its factorization.

14660420047557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488380.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 14660420047557 in words is "fourteen trillion, six hundred sixty billion, four hundred twenty million, forty-seven thousand, five hundred fifty-seven".