216741626 has 8 divisors (see below), whose sum is σ = 342223680. Its totient is φ = 102667068.

The previous prime is 216741593. The next prime is 216741649. The reversal of 216741626 is 626147612.

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

It is a super-2 number, since 2×216741626² = 93953864882247752, which contains 22 as substring.

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, 2851826 + ... + 2851901.

It is an arithmetic number, because the mean of its divisors is an integer number (42777960).

Almost surely, 2^216741626 is an apocalyptic number.

216741626 is a deficient number, since it is larger than the sum of its proper divisors (125482054).

216741626 is a wasteful number, since it uses less digits than its factorization.

216741626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703748.

The product of its digits is 24192, while the sum is 35.

The square root of 216741626 is about 14722.1474656383. The cubic root of 216741626 is about 600.6859063295.

The spelling of 216741626 in words is "two hundred sixteen million, seven hundred forty-one thousand, six hundred twenty-six".