83663001 has 24 divisors (see below), whose sum is σ = 131085864. Its totient is φ = 51210240.

The previous prime is 83662951. The next prime is 83663011. The reversal of 83663001 is 10036638.

It can be written as a sum of positive squares in 4 ways, for example, as 1742400 + 81920601 = 1320^2 + 9051^2 .

It is not a de Polignac number, because 83663001 - 2⁹ = 83662489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83663011) 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, 396 + ... + 12941.

It is an arithmetic number, because the mean of its divisors is an integer number (5461911).

Almost surely, 2^83663001 is an apocalyptic number.

It is an amenable number.

83663001 is a deficient number, since it is larger than the sum of its proper divisors (47422863).

83663001 is a wasteful number, since it uses less digits than its factorization.

83663001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13401 (or 13398 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 83663001 is about 9146.7481106675. The cubic root of 83663001 is about 437.3654569688.

Adding to 83663001 its reverse (10036638), we get a palindrome (93699639).

The spelling of 83663001 in words is "eighty-three million, six hundred sixty-three thousand, one".