297247401616 has 45 divisors (see below), whose sum is σ = 633083652579. Its totient is φ = 135101551200.

The previous prime is 297247401589. The next prime is 297247401637. The reversal of 297247401616 is 616104742792.

It is a happy number.

The square root of 297247401616 is 545204.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×297247401616² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 297247401616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23982781 + ... + 23995171.

Almost surely, 2^297247401616 is an apocalyptic number.

297247401616 is the 545204-th square number.

It is an amenable number.

297247401616 is an abundant number, since it is smaller than the sum of its proper divisors (335836250963).

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

297247401616 is an frugal number, since it uses more digits than its factorization.

297247401616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24812 (or 12404 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

Multiplying 297247401616 by its sum of digits (49), we get a square (14565122679184 = 3816428²).

The spelling of 297247401616 in words is "two hundred ninety-seven billion, two hundred forty-seven million, four hundred one thousand, six hundred sixteen".