82150266 has 64 divisors (see below), whose sum is σ = 186126336. Its totient is φ = 23956800.

The previous prime is 82150223. The next prime is 82150267. The reversal of 82150266 is 66205128.

It is not an unprimeable number, because it can be changed into a prime (82150267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220056 + ... + 220428.

It is an arithmetic number, because the mean of its divisors is an integer number (2908224).

Almost surely, 2^82150266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82150266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93063168).

82150266 is an abundant number, since it is smaller than the sum of its proper divisors (103976070).

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

82150266 is a wasteful number, since it uses less digits than its factorization.

82150266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 82150266 is about 9063.6783923526. The cubic root of 82150266 is about 434.7133638162.

The spelling of 82150266 in words is "eighty-two million, one hundred fifty thousand, two hundred sixty-six".