16221950074 has 16 divisors (see below), whose sum is σ = 27942115680. Its totient is φ = 6985528560.

The previous prime is 16221950047. The next prime is 16221950077. The reversal of 16221950074 is 47005912261.

It is not an unprimeable number, because it can be changed into a prime (16221950077) 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 7 ways as a sum of consecutive naturals, for example, 19403829 + ... + 19404664.

It is an arithmetic number, because the mean of its divisors is an integer number (1746382230).

Almost surely, 2^16221950074 is an apocalyptic number.

16221950074 is a deficient number, since it is larger than the sum of its proper divisors (11720165606).

16221950074 is a wasteful number, since it uses less digits than its factorization.

16221950074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38808525.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 16221950074 in words is "sixteen billion, two hundred twenty-one million, nine hundred fifty thousand, seventy-four".