216463710 has 16 divisors (see below), whose sum is σ = 519512976. Its totient is φ = 57723648.

The previous prime is 216463693. The next prime is 216463711. The reversal of 216463710 is 17364612.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7215457 = 216463710 / (2 + 1 + 6 + 4 + 6 + 3 + 7 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216463711) 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, 3607699 + ... + 3607758.

It is an arithmetic number, because the mean of its divisors is an integer number (32469561).

Almost surely, 2^216463710 is an apocalyptic number.

216463710 is an abundant number, since it is smaller than the sum of its proper divisors (303049266).

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

216463710 is a wasteful number, since it uses less digits than its factorization.

216463710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215467.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 216463710 is about 14712.7057334808. The cubic root of 216463710 is about 600.4290542254.

The spelling of 216463710 in words is "two hundred sixteen million, four hundred sixty-three thousand, seven hundred ten".