690603692805600 has 1728 divisors, whose sum is σ = 2737517459668992. Its totient is φ = 150611166720000.

The previous prime is 690603692805599. The next prime is 690603692805643. The reversal of 690603692805600 is 6508296306096.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 75467561025 + ... + 75467570175.

It is an arithmetic number, because the mean of its divisors is an integer number (1584211492864).

Almost surely, 2^{690603692805600} is an apocalyptic number.

690603692805600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690603692805600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368758729834496).

690603692805600 is an abundant number, since it is smaller than the sum of its proper divisors (2046913766863392).

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

690603692805600 is a wasteful number, since it uses less digits than its factorization.

690603692805600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509 (or 9489 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 690603692805600 in words is "six hundred ninety trillion, six hundred three billion, six hundred ninety-two million, eight hundred five thousand, six hundred".