201670346883540 has 24 divisors (see below), whose sum is σ = 564676971274080. Its totient is φ = 53778759168928.

The previous prime is 201670346883469. The next prime is 201670346883617. The reversal of 201670346883540 is 45388643076102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680586223970 + ... + 1680586224089.

It is an arithmetic number, because the mean of its divisors is an integer number (23528207136420).

Almost surely, 2^{201670346883540} is an apocalyptic number.

201670346883540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201670346883540 is an abundant number, since it is smaller than the sum of its proper divisors (363006624390540).

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

201670346883540 is a wasteful number, since it uses less digits than its factorization.

201670346883540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361172448071 (or 3361172448069 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 201670346883540 in words is "two hundred one trillion, six hundred seventy billion, three hundred forty-six million, eight hundred eighty-three thousand, five hundred forty".