86550164 has 6 divisors (see below), whose sum is σ = 151462794. Its totient is φ = 43275080.

The previous prime is 86550151. The next prime is 86550197. The reversal of 86550164 is 46105568.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71402500 + 15147664 = 8450^2 + 3892^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10818767 + ... + 10818774.

It is an arithmetic number, because the mean of its divisors is an integer number (25243799).

Almost surely, 2^86550164 is an apocalyptic number.

It is an amenable number.

86550164 is a deficient number, since it is larger than the sum of its proper divisors (64912630).

86550164 is a wasteful number, since it uses less digits than its factorization.

86550164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21637545 (or 21637543 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 86550164 is about 9303.2340613359. The cubic root of 86550164 is about 442.3397468373.

The spelling of 86550164 in words is "eighty-six million, five hundred fifty thousand, one hundred sixty-four".