83651061 has 8 divisors (see below), whose sum is σ = 120114400. Its totient is φ = 51477552.

The previous prime is 83651059. The next prime is 83651081. The reversal of 83651061 is 16015638.

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

It is not a de Polignac number, because 83651061 - 2¹ = 83651059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83651081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072411 + ... + 1072488.

It is an arithmetic number, because the mean of its divisors is an integer number (15014300).

Almost surely, 2^83651061 is an apocalyptic number.

It is an amenable number.

83651061 is a deficient number, since it is larger than the sum of its proper divisors (36463339).

83651061 is a wasteful number, since it uses less digits than its factorization.

83651061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144915.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 83651061 is about 9146.0953963973. The cubic root of 83651061 is about 437.3446497145.

Adding to 83651061 its reverse (16015638), we get a palindrome (99666699).

It can be divided in two parts, 836510 and 61, that added together give a triangular number (836571 = T₁₂₉₃).

The spelling of 83651061 in words is "eighty-three million, six hundred fifty-one thousand, sixty-one".