15551650216 has 16 divisors (see below), whose sum is σ = 30099968640. Its totient is φ = 7524991920.

The previous prime is 15551650193. The next prime is 15551650237. The reversal of 15551650216 is 61205615551.

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, 31353886 + ... + 31354381.

It is an arithmetic number, because the mean of its divisors is an integer number (1881248040).

Almost surely, 2^15551650216 is an apocalyptic number.

It is an amenable number.

15551650216 is a deficient number, since it is larger than the sum of its proper divisors (14548318424).

15551650216 is a wasteful number, since it uses less digits than its factorization.

15551650216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62708304 (or 62708300 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 15551650216 in words is "fifteen billion, five hundred fifty-one million, six hundred fifty thousand, two hundred sixteen".