84166696 has 8 divisors (see below), whose sum is σ = 157812570. Its totient is φ = 42083344.

The previous prime is 84166681. The next prime is 84166697. The reversal of 84166696 is 69666148.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 4778596 = 8910^2 + 2186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (84166697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260411 + ... + 5260426.

Almost surely, 2^84166696 is an apocalyptic number.

It is an amenable number.

84166696 is a deficient number, since it is larger than the sum of its proper divisors (73645874).

84166696 is a wasteful number, since it uses less digits than its factorization.

84166696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520843 (or 10520839 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 84166696 is about 9174.2408950278. The cubic root of 84166696 is about 438.2414242797.

The spelling of 84166696 in words is "eighty-four million, one hundred sixty-six thousand, six hundred ninety-six".