83611061 has 8 divisors (see below), whose sum is σ = 87492864. Its totient is φ = 79803360.

The previous prime is 83611057. The next prime is 83611067. The reversal of 83611061 is 16011638.

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 83611061 - 2² = 83611057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83611061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83611067) 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, 16211 + ... + 20736.

It is an arithmetic number, because the mean of its divisors is an integer number (10936608).

Almost surely, 2^83611061 is an apocalyptic number.

It is an amenable number.

83611061 is a deficient number, since it is larger than the sum of its proper divisors (3881803).

83611061 is a wasteful number, since it uses less digits than its factorization.

83611061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37051.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 83611061 is about 9143.9084094276. The cubic root of 83611061 is about 437.2749292396.

Adding to 83611061 its reverse (16011638), we get a palindrome (99622699).

The spelling of 83611061 in words is "eighty-three million, six hundred eleven thousand, sixty-one".