33666670340 has 12 divisors (see below), whose sum is σ = 70700007756. Its totient is φ = 13466668128.

The previous prime is 33666670337. The next prime is 33666670351. The reversal of 33666670340 is 4307666633.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6541897924 + 27124772416 = 80882^2 + 164696^2 .

It is a super-2 number, since 2×33666670340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33666670291 and 33666670300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841666739 + ... + 841666778.

It is an arithmetic number, because the mean of its divisors is an integer number (5891667313).

Almost surely, 2^33666670340 is an apocalyptic number.

It is an amenable number.

33666670340 is an abundant number, since it is smaller than the sum of its proper divisors (37033337416).

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

33666670340 is a wasteful number, since it uses less digits than its factorization.

33666670340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683333526 (or 1683333524 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 44.

The spelling of 33666670340 in words is "thirty-three billion, six hundred sixty-six million, six hundred seventy thousand, three hundred forty".