696224987136 has 864 divisors, whose sum is σ = 2501992190880. Its totient is φ = 182062153728.

The previous prime is 696224987093. The next prime is 696224987137. The reversal of 696224987136 is 631789422696.

696224987136 is a `hidden beast` number, since 6 + 9 + 6 + 2 + 2 + 498 + 7 + 136 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696224987137) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6161283016 + ... + 6161283128.

It is an arithmetic number, because the mean of its divisors is an integer number (2895824295).

Almost surely, 2^696224987136 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 696224987136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250996095440).

696224987136 is an abundant number, since it is smaller than the sum of its proper divisors (1805767203744).

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

696224987136 is a wasteful number, since it uses less digits than its factorization.

696224987136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 195 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 696224987136 in words is "six hundred ninety-six billion, two hundred twenty-four million, nine hundred eighty-seven thousand, one hundred thirty-six".