216676579610 has 16 divisors (see below), whose sum is σ = 390024134856. Its totient is φ = 86669233728.

The previous prime is 216676579607. The next prime is 216676579643. The reversal of 216676579610 is 16975676612.

It can be written as a sum of positive squares in 4 ways, for example, as 133538354041 + 83138225569 = 365429^2 + 288337^2 .

It is a super-3 number, since 3×216676579610³ (a number of 35 digits) contains 333 as substring.

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, 671084 + ... + 940056.

Almost surely, 2^216676579610 is an apocalyptic number.

216676579610 is a deficient number, since it is larger than the sum of its proper divisors (173347555246).

216676579610 is a wasteful number, since it uses less digits than its factorization.

216676579610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349537.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 216676579610 in words is "two hundred sixteen billion, six hundred seventy-six million, five hundred seventy-nine thousand, six hundred ten".