3351851666685 has 48 divisors (see below), whose sum is σ = 6116686642560. Its totient is φ = 1693282631040.

The previous prime is 3351851666659. The next prime is 3351851666701. The reversal of 3351851666685 is 5866661581533.

It is a happy number.

It is not a de Polignac number, because 3351851666685 - 2¹⁶ = 3351851601149 is a prime.

It is a super-2 number, since 2×3351851666685² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4809675 + ... + 5462295.

It is an arithmetic number, because the mean of its divisors is an integer number (127430971720).

Almost surely, 2^{3351851666685} is an apocalyptic number.

It is an amenable number.

3351851666685 is a deficient number, since it is larger than the sum of its proper divisors (2764834975875).

3351851666685 is a wasteful number, since it uses less digits than its factorization.

3351851666685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658658 (or 658655 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

The spelling of 3351851666685 in words is "three trillion, three hundred fifty-one billion, eight hundred fifty-one million, six hundred sixty-six thousand, six hundred eighty-five".