66151008 has 288 divisors, whose sum is σ = 248451840. Its totient is φ = 16174080.

The previous prime is 66150947. The next prime is 66151031. The reversal of 66151008 is 80015166.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421266 + ... + 421422.

It is an arithmetic number, because the mean of its divisors is an integer number (862680).

Almost surely, 2^66151008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66151008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124225920).

66151008 is an abundant number, since it is smaller than the sum of its proper divisors (182300832).

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

66151008 is a wasteful number, since it uses less digits than its factorization.

66151008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 66151008 is about 8133.3269945330. The cubic root of 66151008 is about 404.4319792032.

The spelling of 66151008 in words is "sixty-six million, one hundred fifty-one thousand, eight".