88149966 has 16 divisors (see below), whose sum is σ = 182379600. Its totient is φ = 28370048.

The previous prime is 88149931. The next prime is 88149967. The reversal of 88149966 is 66994188.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88149967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253131 + ... + 253478.

It is an arithmetic number, because the mean of its divisors is an integer number (11398725).

Almost surely, 2^88149966 is an apocalyptic number.

88149966 is an abundant number, since it is smaller than the sum of its proper divisors (94229634).

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

88149966 is a wasteful number, since it uses less digits than its factorization.

88149966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506643.

The product of its digits is 746496, while the sum is 51.

The square root of 88149966 is about 9388.8213317754. The cubic root of 88149966 is about 445.0485424469.

The spelling of 88149966 in words is "eighty-eight million, one hundred forty-nine thousand, nine hundred sixty-six".