99982293156 has 72 divisors (see below), whose sum is σ = 258992861400. Its totient is φ = 32502558720.

The previous prime is 99982293127. The next prime is 99982293157. The reversal of 99982293156 is 65139228999.

99982293156 is a `hidden beast` number, since 9 + 9 + 98 + 229 + 315 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 43257344256 + 56724948900 = 207984^2 + 238170^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99982293093 and 99982293102.

It is not an unprimeable number, because it can be changed into a prime (99982293157) 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, 4548400 + ... + 4570328.

It is an arithmetic number, because the mean of its divisors is an integer number (3597123075).

Almost surely, 2^99982293156 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 99982293156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129496430700).

99982293156 is an abundant number, since it is smaller than the sum of its proper divisors (159010568244).

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

99982293156 is a wasteful number, since it uses less digits than its factorization.

99982293156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25069 (or 25064 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 63.

The spelling of 99982293156 in words is "ninety-nine billion, nine hundred eighty-two million, two hundred ninety-three thousand, one hundred fifty-six".