16406649862 has 16 divisors (see below), whose sum is σ = 24842106432. Its totient is φ = 8126171560.

The previous prime is 16406649859. The next prime is 16406649881. The reversal of 16406649862 is 26894660461.

It is a happy number.

16406649862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91893 + ... + 203119.

It is an arithmetic number, because the mean of its divisors is an integer number (1552631652).

Almost surely, 2^16406649862 is an apocalyptic number.

16406649862 is a deficient number, since it is larger than the sum of its proper divisors (8435456570).

16406649862 is a wasteful number, since it uses less digits than its factorization.

16406649862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111923.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 16406649862 in words is "sixteen billion, four hundred six million, six hundred forty-nine thousand, eight hundred sixty-two".