216350147 has 8 divisors (see below), whose sum is σ = 240508800. Its totient is φ = 193265280.

The previous prime is 216350119. The next prime is 216350149. The reversal of 216350147 is 741053612.

216350147 = 1479² + 1480² + ... + 1571².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216350147 - 2⁶ = 216350083 is a prime.

It is a super-2 number, since 2×216350147² = 93614772213843218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216350149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268022 + ... + 268827.

It is an arithmetic number, because the mean of its divisors is an integer number (30063600).

Almost surely, 2^216350147 is an apocalyptic number.

216350147 is a deficient number, since it is larger than the sum of its proper divisors (24158653).

216350147 is a wasteful number, since it uses less digits than its factorization.

216350147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536893.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 216350147 is about 14708.8458758667. The cubic root of 216350147 is about 600.3240351557.

The spelling of 216350147 in words is "two hundred sixteen million, three hundred fifty thousand, one hundred forty-seven".