14008161661 has 16 divisors (see below), whose sum is σ = 16038642816. Its totient is φ = 12135030336.

The previous prime is 14008161647. The next prime is 14008161667. The reversal of 14008161661 is 16616180041.

It is a happy number.

It is not a de Polignac number, because 14008161661 - 2²¹ = 14006064509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14008161667) 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, 426135 + ... + 457828.

It is an arithmetic number, because the mean of its divisors is an integer number (1002415176).

Almost surely, 2^14008161661 is an apocalyptic number.

It is an amenable number.

14008161661 is a deficient number, since it is larger than the sum of its proper divisors (2030481155).

14008161661 is a wasteful number, since it uses less digits than its factorization.

14008161661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884052.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 14008161661 in words is "fourteen billion, eight million, one hundred sixty-one thousand, six hundred sixty-one".