82150597530 has 192 divisors, whose sum is σ = 236668843008. Its totient is φ = 19664916480.

The previous prime is 82150597519. The next prime is 82150597537. The reversal of 82150597530 is 3579505128.

82150597530 is a `hidden beast` number, since 8 + 2 + 1 + 5 + 0 + 597 + 53 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (82150597537) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12911550 + ... + 12917910.

It is an arithmetic number, because the mean of its divisors is an integer number (1232650224).

Almost surely, 2^82150597530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82150597530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118334421504).

82150597530 is an abundant number, since it is smaller than the sum of its proper divisors (154518245478).

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

82150597530 is a wasteful number, since it uses less digits than its factorization.

82150597530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781 (or 6778 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 82150597530 in words is "eighty-two billion, one hundred fifty million, five hundred ninety-seven thousand, five hundred thirty".