68906554098 has 64 divisors (see below), whose sum is σ = 147058329600. Its totient is φ = 21461768640.

The previous prime is 68906554097. The next prime is 68906554099. The reversal of 68906554098 is 89045560986.

It is an interprime number because it is at equal distance from previous prime (68906554097) and next prime (68906554099).

It is a super-2 number, since 2×68906554098² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68906554097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9822040 + ... + 9829052.

It is an arithmetic number, because the mean of its divisors is an integer number (2297786400).

Almost surely, 2^68906554098 is an apocalyptic number.

68906554098 is an abundant number, since it is smaller than the sum of its proper divisors (78151775502).

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

68906554098 is a wasteful number, since it uses less digits than its factorization.

68906554098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 68906554098 in words is "sixty-eight billion, nine hundred six million, five hundred fifty-four thousand, ninety-eight".