16400054706 has 96 divisors (see below), whose sum is σ = 40730065920. Its totient is φ = 4376484000.

The previous prime is 16400054681. The next prime is 16400054707. The reversal of 16400054706 is 60745000461.

It is not an unprimeable number, because it can be changed into a prime (16400054707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 375931 + ... + 417281.

It is an arithmetic number, because the mean of its divisors is an integer number (424271520).

Almost surely, 2^16400054706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16400054706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20365032960).

16400054706 is an abundant number, since it is smaller than the sum of its proper divisors (24330011214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16400054706 is a wasteful number, since it uses less digits than its factorization.

16400054706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41460 (or 41453 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 16400054706 in words is "sixteen billion, four hundred million, fifty-four thousand, seven hundred six".