16140064412 has 12 divisors (see below), whose sum is σ = 28246927296. Its totient is φ = 8069513760.

The previous prime is 16140064403. The next prime is 16140064439. The reversal of 16140064412 is 21446004161.

It is a super-4 number, since 4×16140064412⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

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, 54764 + ... + 187827.

It is an arithmetic number, because the mean of its divisors is an integer number (2353910608).

Almost surely, 2^16140064412 is an apocalyptic number.

It is an amenable number.

16140064412 is a deficient number, since it is larger than the sum of its proper divisors (12106862884).

16140064412 is a wasteful number, since it uses less digits than its factorization.

16140064412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259228 (or 259226 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 16140064412 its reverse (21446004161), we get a palindrome (37586068573).

The spelling of 16140064412 in words is "sixteen billion, one hundred forty million, sixty-four thousand, four hundred twelve".