216127648 has 24 divisors (see below), whose sum is σ = 464184000. Its totient is φ = 98239680.

The previous prime is 216127627. The next prime is 216127651. The reversal of 216127648 is 846721612.

It is a super-2 number, since 2×216127648² = 93422320460023808, which contains 22 as substring.

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, 306648 + ... + 307351.

It is an arithmetic number, because the mean of its divisors is an integer number (19341000).

Almost surely, 2^216127648 is an apocalyptic number.

It is an amenable number.

216127648 is an abundant number, since it is smaller than the sum of its proper divisors (248056352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216127648 is a wasteful number, since it uses less digits than its factorization.

216127648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614020 (or 614012 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 216127648 is about 14701.2804884473. The cubic root of 216127648 is about 600.1181693178.

The spelling of 216127648 in words is "two hundred sixteen million, one hundred twenty-seven thousand, six hundred forty-eight".