16667623354361 has 16 divisors (see below), whose sum is σ = 19837816704000. Its totient is φ = 13701318687168.

The previous prime is 16667623354241. The next prime is 16667623354399. The reversal of 16667623354361 is 16345332676661.

It is not a de Polignac number, because 16667623354361 - 2⁴² = 12269576843257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16667623354361.

It is not an unprimeable number, because it can be changed into a prime (16667623354061) 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, 275494985 + ... + 275555478.

It is an arithmetic number, because the mean of its divisors is an integer number (1239863544000).

Almost surely, 2^{16667623354361} is an apocalyptic number.

It is an amenable number.

16667623354361 is a deficient number, since it is larger than the sum of its proper divisors (3170193349639).

16667623354361 is a wasteful number, since it uses less digits than its factorization.

16667623354361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551050648.

The product of its digits is 58786560, while the sum is 59.

The spelling of 16667623354361 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred twenty-three million, three hundred fifty-four thousand, three hundred sixty-one".