216351006632 has 8 divisors (see below), whose sum is σ = 405658137450. Its totient is φ = 108175503312.

The previous prime is 216351006581. The next prime is 216351006659. The reversal of 216351006632 is 236600153612.

It can be written as a sum of positive squares in only one way, i.e., 216014871076 + 336135556 = 464774^2 + 18334^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 216351006592 and 216351006601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521937907 + ... + 13521937922.

Almost surely, 2^216351006632 is an apocalyptic number.

It is an amenable number.

216351006632 is a deficient number, since it is larger than the sum of its proper divisors (189307130818).

216351006632 is a wasteful number, since it uses less digits than its factorization.

216351006632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27043875835 (or 27043875831 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 216351006632 in words is "two hundred sixteen billion, three hundred fifty-one million, six thousand, six hundred thirty-two".