1670646204620 has 24 divisors (see below), whose sum is σ = 3508516471824. Its totient is φ = 668228111936.

The previous prime is 1670646204607. The next prime is 1670646204637. The reversal of 1670646204620 is 264026460761.

It is a super-2 number, since 2×1670646204620² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444394 + ... + 2329713.

It is an arithmetic number, because the mean of its divisors is an integer number (146188186326).

Almost surely, 2^{1670646204620} is an apocalyptic number.

1670646204620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1670646204620 is an abundant number, since it is smaller than the sum of its proper divisors (1837870267204).

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

1670646204620 is a wasteful number, since it uses less digits than its factorization.

1670646204620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796249 (or 3796247 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 1670646204620 in words is "one trillion, six hundred seventy billion, six hundred forty-six million, two hundred four thousand, six hundred twenty".