83146764008520 has 96 divisors (see below), whose sum is σ = 273928722607800. Its totient is φ = 21868737924096.

The previous prime is 83146764008507. The next prime is 83146764008537. The reversal of 83146764008520 is 2580046764138.

It is a happy number.

83146764008520 is a `hidden beast` number, since 8 + 3 + 1 + 4 + 6 + 76 + 40 + 0 + 8 + 520 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67008402169956 + 16138361838564 = 8185866^2 + 4017258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581913675 + ... + 1581966234.

Almost surely, 2^{83146764008520} is an apocalyptic number.

It is an amenable number.

83146764008520 is an abundant number, since it is smaller than the sum of its proper divisors (190781958599280).

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

83146764008520 is a wasteful number, since it uses less digits than its factorization.

83146764008520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163879999 (or 3163879992 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 83146764008520 in words is "eighty-three trillion, one hundred forty-six billion, seven hundred sixty-four million, eight thousand, five hundred twenty".