82671332004154 has 4 divisors (see below), whose sum is σ = 124006998006234. Its totient is φ = 41335666002076.

The previous prime is 82671332004139. The next prime is 82671332004181. The reversal of 82671332004154 is 45140023317628.

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

It can be written as a sum of positive squares in only one way, i.e., 66163176105625 + 16508155898529 = 8134075^2 + 4063023^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20667833001037 + ... + 20667833001040.

Almost surely, 2^{82671332004154} is an apocalyptic number.

82671332004154 is a deficient number, since it is larger than the sum of its proper divisors (41335666002080).

82671332004154 is a wasteful number, since it uses less digits than its factorization.

82671332004154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41335666002079.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 82671332004154 in words is "eighty-two trillion, six hundred seventy-one billion, three hundred thirty-two million, four thousand, one hundred fifty-four".