213116654 has 16 divisors (see below), whose sum is σ = 338273280. Its totient is φ = 100418040.

The previous prime is 213116639. The next prime is 213116699. The reversal of 213116654 is 456611312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7424 + ... + 21939.

It is an arithmetic number, because the mean of its divisors is an integer number (21142080).

Almost surely, 2^213116654 is an apocalyptic number.

213116654 is a deficient number, since it is larger than the sum of its proper divisors (125156626).

213116654 is a wasteful number, since it uses less digits than its factorization.

213116654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29575.

The product of its digits is 4320, while the sum is 29.

The square root of 213116654 is about 14598.5154724718. The cubic root of 213116654 is about 597.3182668886.

Adding to 213116654 its reverse (456611312), we get a palindrome (669727966).

The spelling of 213116654 in words is "two hundred thirteen million, one hundred sixteen thousand, six hundred fifty-four".