83150644457418 has 16 divisors (see below), whose sum is σ = 166301527769760. Its totient is φ = 27716841676656.

The previous prime is 83150644457411. The next prime is 83150644457431. The reversal of 83150644457418 is 81475444605138.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83150644457411) 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, 5256253 + ... + 13925856.

It is an arithmetic number, because the mean of its divisors is an integer number (10393845485610).

Almost surely, 2^{83150644457418} is an apocalyptic number.

83150644457418 is an abundant number, since it is smaller than the sum of its proper divisors (83150883312342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83150644457418 is a wasteful number, since it uses less digits than its factorization.

83150644457418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19904581.

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 83150644457418 in words is "eighty-three trillion, one hundred fifty billion, six hundred forty-four million, four hundred fifty-seven thousand, four hundred eighteen".