33620068646 has 4 divisors (see below), whose sum is σ = 50430102972. Its totient is φ = 16810034322.

The previous prime is 33620068639. The next prime is 33620068663. The reversal of 33620068646 is 64686002633.

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

It is a super-2 number, since 2×33620068646² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33620068597 and 33620068606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8405017160 + ... + 8405017163.

It is an arithmetic number, because the mean of its divisors is an integer number (12607525743).

Almost surely, 2^33620068646 is an apocalyptic number.

33620068646 is a deficient number, since it is larger than the sum of its proper divisors (16810034326).

33620068646 is a wasteful number, since it uses less digits than its factorization.

33620068646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810034325.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 33620068646 in words is "thirty-three billion, six hundred twenty million, sixty-eight thousand, six hundred forty-six".