236581068816 has 225 divisors, whose sum is σ = 699591549261. Its totient is φ = 77185208448.

The previous prime is 236581068739. The next prime is 236581068847. The reversal of 236581068816 is 618860185632.

The square root of 236581068816 is 486396.

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

It can be written as a sum of positive squares in only one way, i.e., 220340115216 + 16240953600 = 469404^2 + 127440^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1033104990 + ... + 1033105218.

Almost surely, 2^236581068816 is an apocalyptic number.

236581068816 is the 486396-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 236581068816

236581068816 is an abundant number, since it is smaller than the sum of its proper divisors (463010480445).

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

236581068816 is an frugal number, since it uses more digits than its factorization.

236581068816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 236581068816 in words is "two hundred thirty-six billion, five hundred eighty-one million, sixty-eight thousand, eight hundred sixteen".