14661221601 has 16 divisors (see below), whose sum is σ = 21366223424. Its totient is φ = 8887627584.

The previous prime is 14661221593. The next prime is 14661221629. The reversal of 14661221601 is 10612216641.

It is not a de Polignac number, because 14661221601 - 2³ = 14661221593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14661220601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802826 + ... + 2808051.

It is an arithmetic number, because the mean of its divisors is an integer number (1335388964).

Almost surely, 2^14661221601 is an apocalyptic number.

It is an amenable number.

14661221601 is a deficient number, since it is larger than the sum of its proper divisors (6705001823).

14661221601 is a wasteful number, since it uses less digits than its factorization.

14661221601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610960.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 14661221601 in words is "fourteen billion, six hundred sixty-one million, two hundred twenty-one thousand, six hundred one".