16509450622 has 32 divisors (see below), whose sum is σ = 28433617920. Its totient is φ = 7042606560.

The previous prime is 16509450589. The next prime is 16509450649. The reversal of 16509450622 is 22605490561.

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, 7575529 + ... + 7577707.

It is an arithmetic number, because the mean of its divisors is an integer number (888550560).

Almost surely, 2^16509450622 is an apocalyptic number.

16509450622 is a deficient number, since it is larger than the sum of its proper divisors (11924167298).

16509450622 is a wasteful number, since it uses less digits than its factorization.

16509450622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 16509450622 in words is "sixteen billion, five hundred nine million, four hundred fifty thousand, six hundred twenty-two".