603640621136 has 80 divisors (see below), whose sum is σ = 1344514778880. Its totient is φ = 257178654720.

The previous prime is 603640621123. The next prime is 603640621141. The reversal of 603640621136 is 631126046306.

It is a self number, because there is not a number n which added to its sum of digits gives 603640621136.

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, 96471320 + ... + 96477576.

It is an arithmetic number, because the mean of its divisors is an integer number (16806434736).

Almost surely, 2^603640621136 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 603640621136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672257389440).

603640621136 is an abundant number, since it is smaller than the sum of its proper divisors (740874157744).

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

603640621136 is a wasteful number, since it uses less digits than its factorization.

603640621136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212 (or 11206 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 603640621136 in words is "six hundred three billion, six hundred forty million, six hundred twenty-one thousand, one hundred thirty-six".