16220209654 has 32 divisors (see below), whose sum is σ = 27273438720. Its totient is φ = 7171130400.

The previous prime is 16220209651. The next prime is 16220209703. The reversal of 16220209654 is 45690202261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220209651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190224 + ... + 261964.

It is an arithmetic number, because the mean of its divisors is an integer number (852294960).

Almost surely, 2^16220209654 is an apocalyptic number.

16220209654 is a deficient number, since it is larger than the sum of its proper divisors (11053229066).

16220209654 is a wasteful number, since it uses less digits than its factorization.

16220209654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72036.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 16220209654 in words is "sixteen billion, two hundred twenty million, two hundred nine thousand, six hundred fifty-four".