816106629 has 8 divisors (see below), whose sum is σ = 1171845472. Its totient is φ = 502219440.

The previous prime is 816106619. The next prime is 816106657. The reversal of 816106629 is 926601618.

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

It is not a de Polignac number, because 816106629 - 2⁵ = 816106597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 20925811 = 816106629 / (8 + 1 + 6 + 1 + 0 + 6 + 6 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816106619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10462867 + ... + 10462944.

It is an arithmetic number, because the mean of its divisors is an integer number (146480684).

Almost surely, 2^816106629 is an apocalyptic number.

It is an amenable number.

816106629 is a deficient number, since it is larger than the sum of its proper divisors (355738843).

816106629 is a wasteful number, since it uses less digits than its factorization.

816106629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20925827.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 816106629 is about 28567.5800340176. The cubic root of 816106629 is about 934.5064469816.

The spelling of 816106629 in words is "eight hundred sixteen million, one hundred six thousand, six hundred twenty-nine".