691104368 has 40 divisors (see below), whose sum is σ = 1404472608. Its totient is φ = 328815872.

The previous prime is 691104361. The next prime is 691104377. The reversal of 691104368 is 863401196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (691104361) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67730 + ... + 77262.

Almost surely, 2^691104368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 691104368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702236304).

691104368 is an abundant number, since it is smaller than the sum of its proper divisors (713368240).

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

691104368 is a wasteful number, since it uses less digits than its factorization.

691104368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761 (or 9755 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 691104368 is about 26288.8639541537. The cubic root of 691104368 is about 884.1267810221.

The spelling of 691104368 in words is "six hundred ninety-one million, one hundred four thousand, three hundred sixty-eight".