83748168511 has 4 divisors (see below), whose sum is σ = 95712192592. Its totient is φ = 71784144432.

The previous prime is 83748168509. The next prime is 83748168527. The reversal of 83748168511 is 11586184738.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83748168511 - 2¹ = 83748168509 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 (83748168571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982012030 + ... + 5982012043.

It is an arithmetic number, because the mean of its divisors is an integer number (23928048148).

Almost surely, 2^83748168511 is an apocalyptic number.

83748168511 is a deficient number, since it is larger than the sum of its proper divisors (11964024081).

83748168511 is a wasteful number, since it uses less digits than its factorization.

83748168511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964024080.

The product of its digits is 1290240, while the sum is 52.

The spelling of 83748168511 in words is "eighty-three billion, seven hundred forty-eight million, one hundred sixty-eight thousand, five hundred eleven".