633065531994 has 192 divisors, whose sum is σ = 1704508416000. Its totient is φ = 165713247360.

The previous prime is 633065531983. The next prime is 633065532007. The reversal of 633065531994 is 499135560336.

633065531994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 633065531994.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182490492 + ... + 182493960.

It is an arithmetic number, because the mean of its divisors is an integer number (8877648000).

Almost surely, 2^633065531994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633065531994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852254208000).

633065531994 is an abundant number, since it is smaller than the sum of its proper divisors (1071442884006).

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

633065531994 is a wasteful number, since it uses less digits than its factorization.

633065531994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993 (or 5990 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 54.

The spelling of 633065531994 in words is "six hundred thirty-three billion, sixty-five million, five hundred thirty-one thousand, nine hundred ninety-four".