33016491648 has 768 divisors, whose sum is σ = 120140496000. Its totient is φ = 8998262784.

The previous prime is 33016491647. The next prime is 33016491649. The reversal of 33016491648 is 84619461033.

It is an interprime number because it is at equal distance from previous prime (33016491647) and next prime (33016491649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33016491643) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 397789015 + ... + 397789097.

Almost surely, 2^33016491648 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 33016491648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60070248000).

33016491648 is an abundant number, since it is smaller than the sum of its proper divisors (87124004352).

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

33016491648 is an frugal number, since it uses more digits than its factorization.

33016491648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 33016491648 in words is "thirty-three billion, sixteen million, four hundred ninety-one thousand, six hundred forty-eight".