816614963 has 8 divisors (see below), whose sum is σ = 820185696. Its totient is φ = 813052800.

The previous prime is 816614959. The next prime is 816614969. The reversal of 816614963 is 369416618.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 816614963 - 2² = 816614959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816614969) 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, 248018 + ... + 251288.

It is an arithmetic number, because the mean of its divisors is an integer number (102523212).

Almost surely, 2^816614963 is an apocalyptic number.

816614963 is a deficient number, since it is larger than the sum of its proper divisors (3570733).

816614963 is a wasteful number, since it uses less digits than its factorization.

816614963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its digits is 186624, while the sum is 44.

The square root of 816614963 is about 28576.4756924293. The cubic root of 816614963 is about 934.7004342159.

The spelling of 816614963 in words is "eight hundred sixteen million, six hundred fourteen thousand, nine hundred sixty-three".