16645141401 has 16 divisors (see below), whose sum is σ = 25369826304. Its totient is φ = 9509333904.

The previous prime is 16645141399. The next prime is 16645141417. The reversal of 16645141401 is 10414154661.

It is not a de Polignac number, because 16645141401 - 2¹ = 16645141399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16645141421) 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, 5740 + ... + 182546.

It is an arithmetic number, because the mean of its divisors is an integer number (1585614144).

Almost surely, 2^16645141401 is an apocalyptic number.

It is an amenable number.

16645141401 is a deficient number, since it is larger than the sum of its proper divisors (8724684903).

16645141401 is a wasteful number, since it uses less digits than its factorization.

16645141401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181300.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 16645141401 in words is "sixteen billion, six hundred forty-five million, one hundred forty-one thousand, four hundred one".