16623041451654 has 32 divisors (see below), whose sum is σ = 36765282225024. Its totient is φ = 4968281378880.

The previous prime is 16623041451589. The next prime is 16623041451683. The reversal of 16623041451654 is 45615414032661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725092884 + ... + 1725102519.

It is an arithmetic number, because the mean of its divisors is an integer number (1148915069532).

Almost surely, 2^{16623041451654} is an apocalyptic number.

16623041451654 is an abundant number, since it is smaller than the sum of its proper divisors (20142240773370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16623041451654 is a wasteful number, since it uses less digits than its factorization.

16623041451654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450195492.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 16623041451654 in words is "sixteen trillion, six hundred twenty-three billion, forty-one million, four hundred fifty-one thousand, six hundred fifty-four".