88164720 has 400 divisors, whose sum is σ = 375109920. Its totient is φ = 18966528.

The previous prime is 88164709. The next prime is 88164733. The reversal of 88164720 is 2746188.

88164720 is a `hidden beast` number, since 8 + 8 + 1 + 647 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5186152 + ... + 5186168.

Almost surely, 2^88164720 is an apocalyptic number.

88164720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88164720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187554960).

88164720 is an abundant number, since it is smaller than the sum of its proper divisors (286945200).

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

88164720 is a wasteful number, since it uses less digits than its factorization.

88164720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 88164720 is about 9389.6070205307. The cubic root of 88164720 is about 445.0733708924.

The spelling of 88164720 in words is "eighty-eight million, one hundred sixty-four thousand, seven hundred twenty".