83661514 has 8 divisors (see below), whose sum is σ = 128884068. Its totient is φ = 40700160.

The previous prime is 83661509. The next prime is 83661521. The reversal of 83661514 is 41516638.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72539289 + 11122225 = 8517^2 + 3335^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 83661514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565207 + ... + 565354.

Almost surely, 2^83661514 is an apocalyptic number.

83661514 is a deficient number, since it is larger than the sum of its proper divisors (45222554).

83661514 is a wasteful number, since it uses less digits than its factorization.

83661514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130600.

The product of its digits is 17280, while the sum is 34.

The square root of 83661514 is about 9146.6668245870. Note that the first 3 decimals coincide. The cubic root of 83661514 is about 437.3628657545.

The spelling of 83661514 in words is "eighty-three million, six hundred sixty-one thousand, five hundred fourteen".