207436021396968 has 384 divisors, whose sum is σ = 680311664640000. Its totient is φ = 51430492459008.

The previous prime is 207436021396927. The next prime is 207436021397039. The reversal of 207436021396968 is 869693120634702.

It is a junction number, because it is equal to n+sod(n) for n = 207436021396899 and 207436021396908.

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, 416290033 + ... + 416788031.

It is an arithmetic number, because the mean of its divisors is an integer number (1771644960000).

Almost surely, 2^{207436021396968} is an apocalyptic number.

207436021396968 is a gapful number since it is divisible by the number (28) 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 207436021396968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340155832320000).

207436021396968 is an abundant number, since it is smaller than the sum of its proper divisors (472875643243032).

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

207436021396968 is a wasteful number, since it uses less digits than its factorization.

207436021396968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498921 (or 498904 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 66.

The spelling of 207436021396968 in words is "two hundred seven trillion, four hundred thirty-six billion, twenty-one million, three hundred ninety-six thousand, nine hundred sixty-eight".