68499900100 has 72 divisors (see below), whose sum is σ = 156627648800. Its totient is φ = 25931404800.

The previous prime is 68499900067. The next prime is 68499900103. The reversal of 68499900100 is 100999486.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68499900103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899235 + ... + 1934965.

Almost surely, 2^68499900100 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 68499900100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78313824400).

68499900100 is an abundant number, since it is smaller than the sum of its proper divisors (88127748700).

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

68499900100 is a wasteful number, since it uses less digits than its factorization.

68499900100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36773 (or 36766 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 68499900100 in words is "sixty-eight billion, four hundred ninety-nine million, nine hundred thousand, one hundred".