16506140222 has 24 divisors (see below), whose sum is σ = 29308110888. Its totient is φ = 6925651920.

The previous prime is 16506140201. The next prime is 16506140227. The reversal of 16506140222 is 22204160561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506140227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620208 + ... + 2626499.

It is an arithmetic number, because the mean of its divisors is an integer number (1221171287).

Almost surely, 2^16506140222 is an apocalyptic number.

16506140222 is a deficient number, since it is larger than the sum of its proper divisors (12801970666).

16506140222 is a wasteful number, since it uses less digits than its factorization.

16506140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246744 (or 5246733 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 16506140222 in words is "sixteen billion, five hundred six million, one hundred forty thousand, two hundred twenty-two".