168528472782 has 16 divisors (see below), whose sum is σ = 340039751760. Its totient is φ = 55679023232.

The previous prime is 168528472771. The next prime is 168528472859. The reversal of 168528472782 is 287274825861.

It is a super-2 number, since 2×168528472782² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124282857 + ... + 124284212.

It is an arithmetic number, because the mean of its divisors is an integer number (21252484485).

Almost surely, 2^168528472782 is an apocalyptic number.

168528472782 is an abundant number, since it is smaller than the sum of its proper divisors (171511278978).

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

168528472782 is a wasteful number, since it uses less digits than its factorization.

168528472782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248567187.

The product of its digits is 24084480, while the sum is 60.

The spelling of 168528472782 in words is "one hundred sixty-eight billion, five hundred twenty-eight million, four hundred seventy-two thousand, seven hundred eighty-two".