15414216616 has 8 divisors (see below), whose sum is σ = 28901656170. Its totient is φ = 7707108304.

The previous prime is 15414216611. The next prime is 15414216617. The reversal of 15414216616 is 61661241451.

It can be written as a sum of positive squares in only one way, i.e., 15414215716 + 900 = 124154^2 + 30^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (15414216611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963388531 + ... + 963388546.

Almost surely, 2^15414216616 is an apocalyptic number.

It is an amenable number.

15414216616 is a deficient number, since it is larger than the sum of its proper divisors (13487439554).

15414216616 is a wasteful number, since it uses less digits than its factorization.

15414216616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926777083 (or 1926777079 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The spelling of 15414216616 in words is "fifteen billion, four hundred fourteen million, two hundred sixteen thousand, six hundred sixteen".