696221616 has 20 divisors (see below), whose sum is σ = 1798572632. Its totient is φ = 232073856.

The previous prime is 696221611. The next prime is 696221657. The reversal of 696221616 is 616122696.

It is a super-3 number, since 3×696221616³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (696221611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7252261 + ... + 7252356.

Almost surely, 2^696221616 is an apocalyptic number.

It is an amenable number.

696221616 is an abundant number, since it is smaller than the sum of its proper divisors (1102351016).

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

696221616 is a wasteful number, since it uses less digits than its factorization.

696221616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14504628 (or 14504622 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 696221616 is about 26386.0117486520. The cubic root of 696221616 is about 886.3035748025.

The spelling of 696221616 in words is "six hundred ninety-six million, two hundred twenty-one thousand, six hundred sixteen".