68242671510 has 96 divisors (see below), whose sum is σ = 179344069920. Its totient is φ = 16609342464.

The previous prime is 68242671493. The next prime is 68242671529. The reversal of 68242671510 is 1517624286.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 375612 + ... + 526848.

It is an arithmetic number, because the mean of its divisors is an integer number (1868167395).

Almost surely, 2^68242671510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68242671510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89672034960).

68242671510 is an abundant number, since it is smaller than the sum of its proper divisors (111101398410).

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

68242671510 is a wasteful number, since it uses less digits than its factorization.

68242671510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151362 (or 151349 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 68242671510 in words is "sixty-eight billion, two hundred forty-two million, six hundred seventy-one thousand, five hundred ten".