7231966536 has 64 divisors (see below), whose sum is σ = 18403718400. Its totient is φ = 2367560000.

The previous prime is 7231966531. The next prime is 7231966537. The reversal of 7231966536 is 6356691327.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7231966531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222911 + ... + 2226161.

It is an arithmetic number, because the mean of its divisors is an integer number (287558100).

Almost surely, 2^7231966536 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 7231966536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9201859200).

7231966536 is an abundant number, since it is smaller than the sum of its proper divisors (11171751864).

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

7231966536 is a wasteful number, since it uses less digits than its factorization.

7231966536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890 (or 4886 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 48.

The square root of 7231966536 is about 85040.9697498800. The cubic root of 7231966536 is about 1933.8322680846.

The spelling of 7231966536 in words is "seven billion, two hundred thirty-one million, nine hundred sixty-six thousand, five hundred thirty-six".