16364968044 has 12 divisors (see below), whose sum is σ = 38184925464. Its totient is φ = 5454989344.

The previous prime is 16364968013. The next prime is 16364968063. The reversal of 16364968044 is 44086946361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16364968044² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681873657 + ... + 681873680.

It is an arithmetic number, because the mean of its divisors is an integer number (3182077122).

Almost surely, 2^16364968044 is an apocalyptic number.

It is an amenable number.

16364968044 is an abundant number, since it is smaller than the sum of its proper divisors (21819957420).

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

16364968044 is a wasteful number, since it uses less digits than its factorization.

16364968044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363747344 (or 1363747342 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 16364968044 in words is "sixteen billion, three hundred sixty-four million, nine hundred sixty-eight thousand, forty-four".