88991606 has 16 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 40245480.

The previous prime is 88991593. The next prime is 88991621. The reversal of 88991606 is 60619988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5786 + ... + 14541.

It is an arithmetic number, because the mean of its divisors is an integer number (9147600).

Almost surely, 2^88991606 is an apocalyptic number.

88991606 is a deficient number, since it is larger than the sum of its proper divisors (57369994).

88991606 is a wasteful number, since it uses less digits than its factorization.

88991606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20539.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 88991606 is about 9433.5362404562. The cubic root of 88991606 is about 446.4604727612.

The spelling of 88991606 in words is "eighty-eight million, nine hundred ninety-one thousand, six hundred six".