216707440763204 has 24 divisors (see below), whose sum is σ = 384530463568608. Its totient is φ = 106842346159680.

The previous prime is 216707440763183. The next prime is 216707440763239. The reversal of 216707440763204 is 402367044707612.

It is a super-2 number, since 2×216707440763204² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92861762 + ... + 95166809.

It is an arithmetic number, because the mean of its divisors is an integer number (16022102648692).

Almost surely, 2^{216707440763204} is an apocalyptic number.

It is an amenable number.

216707440763204 is a deficient number, since it is larger than the sum of its proper divisors (167823022805404).

216707440763204 is a wasteful number, since it uses less digits than its factorization.

216707440763204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188032595 (or 188032593 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 53.

The spelling of 216707440763204 in words is "two hundred sixteen trillion, seven hundred seven billion, four hundred forty million, seven hundred sixty-three thousand, two hundred four".