166088549376 has 132 divisors (see below), whose sum is σ = 482067099852. Its totient is φ = 55075405824.

The previous prime is 166088549357. The next prime is 166088549377. The reversal of 166088549376 is 673945880661.

166088549376 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 88 + 549 + 3 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108488549376 + 57600000000 = 329376^2 + 240000^2 .

It is not an unprimeable number, because it can be changed into a prime (166088549377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1732000 + ... + 1825376.

Almost surely, 2^166088549376 is an apocalyptic number.

166088549376 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 166088549376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241033549926).

166088549376 is an abundant number, since it is smaller than the sum of its proper divisors (315978550476).

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

166088549376 is a wasteful number, since it uses less digits than its factorization.

166088549376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93596 (or 93575 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 166088549376 in words is "one hundred sixty-six billion, eighty-eight million, five hundred forty-nine thousand, three hundred seventy-six".