166505151060 has 72 divisors (see below), whose sum is σ = 511458904320. Its totient is φ = 43839327168.

The previous prime is 166505151047. The next prime is 166505151061. The reversal of 166505151060 is 60151505661.

166505151060 is a `hidden beast` number, since 16 + 65 + 0 + 515 + 10 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166505151061) 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, 5840392 + ... + 5868831.

Almost surely, 2^166505151060 is an apocalyptic number.

166505151060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166505151060 is an abundant number, since it is smaller than the sum of its proper divisors (344953753260).

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

166505151060 is a wasteful number, since it uses less digits than its factorization.

166505151060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709317 (or 11709312 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 166505151060 in words is "one hundred sixty-six billion, five hundred five million, one hundred fifty-one thousand, sixty".