166411529536 has 168 divisors, whose sum is σ = 399090587136. Its totient is φ = 68572707840.

The previous prime is 166411529533. The next prime is 166411529561. The reversal of 166411529536 is 635925114661.

It is a super-2 number, since 2×166411529536² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 166411529536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166411529533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15257461 + ... + 15268363.

Almost surely, 2^166411529536 is an apocalyptic number.

166411529536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166411529536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199545293568).

166411529536 is an abundant number, since it is smaller than the sum of its proper divisors (232679057600).

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

166411529536 is a wasteful number, since it uses less digits than its factorization.

166411529536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117 (or 11100 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The spelling of 166411529536 in words is "one hundred sixty-six billion, four hundred eleven million, five hundred twenty-nine thousand, five hundred thirty-six".