816529132306 has 8 divisors (see below), whose sum is σ = 1278045598464. Its totient is φ = 390513932820.

The previous prime is 816529132303. The next prime is 816529132381. The reversal of 816529132306 is 603231925618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 17750633311 = 816529132306 / (8 + 1 + 6 + 5 + 2 + 9 + 1 + 3 + 2 + 3 + 0 + 6).

It is not an unprimeable number, because it can be changed into a prime (816529132303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875316610 + ... + 8875316701.

It is an arithmetic number, because the mean of its divisors is an integer number (159755699808).

Almost surely, 2^816529132306 is an apocalyptic number.

816529132306 is a deficient number, since it is larger than the sum of its proper divisors (461516466158).

816529132306 is a wasteful number, since it uses less digits than its factorization.

816529132306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750633336.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 816529132306 in words is "eight hundred sixteen billion, five hundred twenty-nine million, one hundred thirty-two thousand, three hundred six".