213461616 has 20 divisors (see below), whose sum is σ = 551442632. Its totient is φ = 71153856.

The previous prime is 213461609. The next prime is 213461623. The reversal of 213461616 is 616164312.

It is an interprime number because it is at equal distance from previous prime (213461609) and next prime (213461623).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223511 + ... + 2223606.

Almost surely, 2^213461616 is an apocalyptic number.

It is an amenable number.

213461616 is an abundant number, since it is smaller than the sum of its proper divisors (337981016).

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

213461616 is a wasteful number, since it uses less digits than its factorization.

213461616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447128 (or 4447122 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 213461616 is about 14610.3256637215. The cubic root of 213461616 is about 597.6403769073.

The spelling of 213461616 in words is "two hundred thirteen million, four hundred sixty-one thousand, six hundred sixteen".