86668266042 has 48 divisors (see below), whose sum is σ = 194444640000. Its totient is φ = 27866214432.

The previous prime is 86668266037. The next prime is 86668266101. The reversal of 86668266042 is 24066286668.

It is a super-2 number, since 2×86668266042² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86668266042.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462459 + ... + 622257.

It is an arithmetic number, because the mean of its divisors is an integer number (4050930000).

Almost surely, 2^86668266042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86668266042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97222320000).

86668266042 is an abundant number, since it is smaller than the sum of its proper divisors (107776373958).

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

86668266042 is a wasteful number, since it uses less digits than its factorization.

86668266042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160875 (or 160872 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 86668266042 in words is "eighty-six billion, six hundred sixty-eight million, two hundred sixty-six thousand, forty-two".