68212880190 has 576 divisors, whose sum is σ = 235203194880. Its totient is φ = 13760098560.

The previous prime is 68212880167. The next prime is 68212880233. The reversal of 68212880190 is 9108821286.

It is a happy number.

It is a super-2 number, since 2×68212880190² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 821841889 + ... + 821841971.

It is an arithmetic number, because the mean of its divisors is an integer number (408338880).

Almost surely, 2^68212880190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68212880190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117601597440).

68212880190 is an abundant number, since it is smaller than the sum of its proper divisors (166990314690).

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

68212880190 is a wasteful number, since it uses less digits than its factorization.

68212880190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 68212880190 in words is "sixty-eight billion, two hundred twelve million, eight hundred eighty thousand, one hundred ninety".