216007460 has 12 divisors (see below), whose sum is σ = 453615708. Its totient is φ = 86402976.

The previous prime is 216007459. The next prime is 216007487. The reversal of 216007460 is 64700612.

216007460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129777664 + 86229796 = 11392^2 + 9286^2 .

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, 5400167 + ... + 5400206.

It is an arithmetic number, because the mean of its divisors is an integer number (37801309).

Almost surely, 2^216007460 is an apocalyptic number.

216007460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216007460 is an abundant number, since it is smaller than the sum of its proper divisors (237608248).

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

216007460 is a wasteful number, since it uses less digits than its factorization.

216007460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800382 (or 10800380 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 216007460 is about 14697.1922488617. The cubic root of 216007460 is about 600.0069073279.

The spelling of 216007460 in words is "two hundred sixteen million, seven thousand, four hundred sixty".