16506545654 has 16 divisors (see below), whose sum is σ = 25839060480. Its totient is φ = 7893601320.

The previous prime is 16506545647. The next prime is 16506545683. The reversal of 16506545654 is 45654560561.

It is a junction number, because it is equal to n+sod(n) for n = 16506545599 and 16506545608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849257 + ... + 868475.

It is an arithmetic number, because the mean of its divisors is an integer number (1614941280).

Almost surely, 2^16506545654 is an apocalyptic number.

16506545654 is a deficient number, since it is larger than the sum of its proper divisors (9332514826).

16506545654 is a wasteful number, since it uses less digits than its factorization.

16506545654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37915.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 16506545654 in words is "sixteen billion, five hundred six million, five hundred forty-five thousand, six hundred fifty-four".