16211456546 has 32 divisors (see below), whose sum is σ = 25178724480. Its totient is φ = 7825061376.

The previous prime is 16211456543. The next prime is 16211456549. The reversal of 16211456546 is 64565411261.

It is an interprime number because it is at equal distance from previous prime (16211456543) and next prime (16211456549).

It is a super-2 number, since 2×16211456546² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16211456543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332740 + ... + 1344848.

It is an arithmetic number, because the mean of its divisors is an integer number (786835140).

Almost surely, 2^16211456546 is an apocalyptic number.

16211456546 is a deficient number, since it is larger than the sum of its proper divisors (8967267934).

16211456546 is a wasteful number, since it uses less digits than its factorization.

16211456546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12378.

The product of its digits is 172800, while the sum is 41.

The spelling of 16211456546 in words is "sixteen billion, two hundred eleven million, four hundred fifty-six thousand, five hundred forty-six".