66151000 has 64 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 26108800.

The previous prime is 66150947. The next prime is 66151031. The reversal of 66151000 is 15166.

66151000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 82602 + ... + 83398.

Almost surely, 2^66151000 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 66151000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78427440).

66151000 is an abundant number, since it is smaller than the sum of its proper divisors (90703880).

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

66151000 is a wasteful number, since it uses less digits than its factorization.

66151000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 66151000 is about 8133.3265027294. The cubic root of 66151000 is about 404.4319628998.

Adding to 66151000 its reverse (15166), we get a palindrome (66166166).

The spelling of 66151000 in words is "sixty-six million, one hundred fifty-one thousand".