88146666 has 24 divisors (see below), whose sum is σ = 202219524. Its totient is φ = 27653760.

The previous prime is 88146661. The next prime is 88146673. The reversal of 88146666 is 66664188.

It can be written as a sum of positive squares in 2 ways, for example, as 86881041 + 1265625 = 9321^2 + 1125^2 .

It is not an unprimeable number, because it can be changed into a prime (88146661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143725 + ... + 144336.

Almost surely, 2^88146666 is an apocalyptic number.

88146666 is an abundant number, since it is smaller than the sum of its proper divisors (114072858).

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

88146666 is a wasteful number, since it uses less digits than its factorization.

88146666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288086 (or 288083 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 88146666 is about 9388.6455892211. The cubic root of 88146666 is about 445.0429887351.

The spelling of 88146666 in words is "eighty-eight million, one hundred forty-six thousand, six hundred sixty-six".