216950127 has 4 divisors (see below), whose sum is σ = 289266840. Its totient is φ = 144633416.

The previous prime is 216950119. The next prime is 216950137. The reversal of 216950127 is 721059612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216950127 - 2³ = 216950119 is a prime.

It is a super-2 number, since 2×216950127² = 94134715210632258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216950137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36158352 + ... + 36158357.

It is an arithmetic number, because the mean of its divisors is an integer number (72316710).

Almost surely, 2^216950127 is an apocalyptic number.

216950127 is a deficient number, since it is larger than the sum of its proper divisors (72316713).

216950127 is an equidigital number, since it uses as much as digits as its factorization.

216950127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72316712.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 216950127 is about 14729.2269654588. The cubic root of 216950127 is about 600.8784604400.

The spelling of 216950127 in words is "two hundred sixteen million, nine hundred fifty thousand, one hundred twenty-seven".