83533470066 has 24 divisors (see below), whose sum is σ = 181271564604. Its totient is φ = 27801047040.

The previous prime is 83533470043. The next prime is 83533470079. The reversal of 83533470066 is 66007433538.

It can be written as a sum of positive squares in 2 ways, for example, as 79789865841 + 3743604225 = 282471^2 + 61185^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3608391 + ... + 3631466.

Almost surely, 2^83533470066 is an apocalyptic number.

83533470066 is an abundant number, since it is smaller than the sum of its proper divisors (97738094538).

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

83533470066 is a wasteful number, since it uses less digits than its factorization.

83533470066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240506 (or 7240503 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 83533470066 in words is "eighty-three billion, five hundred thirty-three million, four hundred seventy thousand, sixty-six".