168566366140620 has 96 divisors (see below), whose sum is σ = 541402823571456. Its totient is φ = 38387279980800.

The previous prime is 168566366140607. The next prime is 168566366140633. The reversal of 168566366140620 is 26041663665861.

It is an interprime number because it is at equal distance from previous prime (168566366140607) and next prime (168566366140633).

It is a super-2 number, since 2×168566366140620² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740381551 + ... + 740609190.

It is an arithmetic number, because the mean of its divisors is an integer number (5639612745536).

Almost surely, 2^{168566366140620} is an apocalyptic number.

168566366140620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168566366140620 is an abundant number, since it is smaller than the sum of its proper divisors (372836457430836).

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

168566366140620 is a wasteful number, since it uses less digits than its factorization.

168566366140620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480991031 (or 1480991029 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 60.

The spelling of 168566366140620 in words is "one hundred sixty-eight trillion, five hundred sixty-six billion, three hundred sixty-six million, one hundred forty thousand, six hundred twenty".