83641614638 has 8 divisors (see below), whose sum is σ = 125512554288. Its totient is φ = 41804096544.

The previous prime is 83641614619. The next prime is 83641614653.

83641614638 is nontrivially palindromic in base 10.

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

It is a congruent number.

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, 8349131 + ... + 8359142.

It is an arithmetic number, because the mean of its divisors is an integer number (15689069286).

Almost surely, 2^83641614638 is an apocalyptic number.

83641614638 is a deficient number, since it is larger than the sum of its proper divisors (41870939650).

83641614638 is a wasteful number, since it uses less digits than its factorization.

83641614638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16710778.

The product of its digits is 1990656, while the sum is 50.

The spelling of 83641614638 in words is "eighty-three billion, six hundred forty-one million, six hundred fourteen thousand, six hundred thirty-eight".