83657816241 has 16 divisors (see below), whose sum is σ = 114210464064. Its totient is φ = 54453256704.

The previous prime is 83657816237. The next prime is 83657816243. The reversal of 83657816241 is 14261875638.

It is not a de Polignac number, because 83657816241 - 2² = 83657816237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83657816243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1818916 + ... + 1864341.

It is an arithmetic number, because the mean of its divisors is an integer number (7138154004).

Almost surely, 2^83657816241 is an apocalyptic number.

It is an amenable number.

83657816241 is a deficient number, since it is larger than the sum of its proper divisors (30552647823).

83657816241 is a wasteful number, since it uses less digits than its factorization.

83657816241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683440.

The product of its digits is 1935360, while the sum is 51.

The spelling of 83657816241 in words is "eighty-three billion, six hundred fifty-seven million, eight hundred sixteen thousand, two hundred forty-one".