83188061 has 8 divisors (see below), whose sum is σ = 95527200. Its totient is φ = 71645040.

The previous prime is 83188051. The next prime is 83188069. The reversal of 83188061 is 16088138.

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 a de Polignac number, because none of the positive numbers 2^k-83188061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83188069) 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, 198806 + ... + 199223.

It is an arithmetic number, because the mean of its divisors is an integer number (11940900).

Almost surely, 2^83188061 is an apocalyptic number.

It is an amenable number.

83188061 is a deficient number, since it is larger than the sum of its proper divisors (12339139).

83188061 is a wasteful number, since it uses less digits than its factorization.

83188061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398059.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 83188061 is about 9120.7489275826. The cubic root of 83188061 is about 436.5362705915.

The spelling of 83188061 in words is "eighty-three million, one hundred eighty-eight thousand, sixty-one".