83121332271406 has 128 divisors (see below), whose sum is σ = 156550375489536. Its totient is φ = 32555816388480.

The previous prime is 83121332271371. The next prime is 83121332271569. The reversal of 83121332271406 is 60417223312138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106893201 + ... + 107668003.

It is an arithmetic number, because the mean of its divisors is an integer number (1223049808512).

Almost surely, 2^{83121332271406} is an apocalyptic number.

83121332271406 is a deficient number, since it is larger than the sum of its proper divisors (73429043218130).

83121332271406 is a wasteful number, since it uses less digits than its factorization.

83121332271406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775246.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 83121332271406 in words is "eighty-three trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred seventy-one thousand, four hundred six".