81076624866152 has 128 divisors (see below), whose sum is σ = 162465535330560. Its totient is φ = 37875044014080.

The previous prime is 81076624866137. The next prime is 81076624866221. The reversal of 81076624866152 is 25166842667018.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1115999093 + ... + 1116071739.

It is an arithmetic number, because the mean of its divisors is an integer number (1269261994770).

Almost surely, 2^{81076624866152} is an apocalyptic number.

81076624866152 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

81076624866152 is an abundant number, since it is smaller than the sum of its proper divisors (81388910464408).

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

81076624866152 is a wasteful number, since it uses less digits than its factorization.

81076624866152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74283 (or 74279 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 81076624866152 in words is "eighty-one trillion, seventy-six billion, six hundred twenty-four million, eight hundred sixty-six thousand, one hundred fifty-two".