82150656 has 216 divisors, whose sum is σ = 265638240. Its totient is φ = 22450176.

The previous prime is 82150609. The next prime is 82150657. The reversal of 82150656 is 65605128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82150657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1392355 + ... + 1392413.

Almost surely, 2^82150656 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 82150656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132819120).

82150656 is an abundant number, since it is smaller than the sum of its proper divisors (183487584).

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

82150656 is a wasteful number, since it uses less digits than its factorization.

82150656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 82150656 is about 9063.6999067710. The cubic root of 82150656 is about 434.7140517342.

The spelling of 82150656 in words is "eighty-two million, one hundred fifty thousand, six hundred fifty-six".