699766252416 has 768 divisors, whose sum is σ = 2621498181120. Its totient is φ = 180502732800.

The previous prime is 699766252397. The next prime is 699766252447. The reversal of 699766252416 is 614252667996.

699766252416 is a `hidden beast` number, since 6 + 9 + 97 + 6 + 6 + 2 + 524 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 376015326 + ... + 376017186.

It is an arithmetic number, because the mean of its divisors is an integer number (3413409090).

Almost surely, 2^699766252416 is an apocalyptic number.

699766252416 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699766252416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310749090560).

699766252416 is an abundant number, since it is smaller than the sum of its proper divisors (1921731928704).

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

699766252416 is a wasteful number, since it uses less digits than its factorization.

699766252416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2041 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 699766252416 in words is "six hundred ninety-nine billion, seven hundred sixty-six million, two hundred fifty-two thousand, four hundred sixteen".