733220161660 has 48 divisors (see below), whose sum is σ = 1771382269440. Its totient is φ = 249724929600.

The previous prime is 733220161591. The next prime is 733220161673. The reversal of 733220161660 is 66161022337.

It is a super-2 number, since 2×733220161660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17320870 + ... + 17363149.

It is an arithmetic number, because the mean of its divisors is an integer number (36903797280).

Almost surely, 2^733220161660 is an apocalyptic number.

733220161660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

733220161660 is an abundant number, since it is smaller than the sum of its proper divisors (1038162107780).

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

733220161660 is a wasteful number, since it uses less digits than its factorization.

733220161660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34684186 (or 34684184 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

Adding to 733220161660 its reverse (66161022337), we get a palindrome (799381183997).

The spelling of 733220161660 in words is "seven hundred thirty-three billion, two hundred twenty million, one hundred sixty-one thousand, six hundred sixty".