20150216116 has 6 divisors (see below), whose sum is σ = 35262878210. Its totient is φ = 10075108056.

The previous prime is 20150216083. The next prime is 20150216173. The reversal of 20150216116 is 61161205102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13303315600 + 6846900516 = 115340^2 + 82746^2 .

It is a super-2 number, since 2×20150216116² (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2518777011 + ... + 2518777018.

Almost surely, 2^20150216116 is an apocalyptic number.

It is an amenable number.

20150216116 is a deficient number, since it is larger than the sum of its proper divisors (15112662094).

20150216116 is a wasteful number, since it uses less digits than its factorization.

20150216116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037554033 (or 5037554031 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 20150216116 in words is "twenty billion, one hundred fifty million, two hundred sixteen thousand, one hundred sixteen".