87530166 has 16 divisors (see below), whose sum is σ = 194511600. Its totient is φ = 29176704.

The previous prime is 87530129. The next prime is 87530171. The reversal of 87530166 is 66103578.

It is a self number, because there is not a number n which added to its sum of digits gives 87530166.

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, 810411 + ... + 810518.

It is an arithmetic number, because the mean of its divisors is an integer number (12156975).

Almost surely, 2^87530166 is an apocalyptic number.

87530166 is an abundant number, since it is smaller than the sum of its proper divisors (106981434).

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

87530166 is a wasteful number, since it uses less digits than its factorization.

87530166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620940 (or 1620934 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 87530166 is about 9355.7557685096. The cubic root of 87530166 is about 444.0030131278.

The spelling of 87530166 in words is "eighty-seven million, five hundred thirty thousand, one hundred sixty-six".