1620461887206 has 8 divisors (see below), whose sum is σ = 3240923774424. Its totient is φ = 540153962400.

The previous prime is 1620461887189. The next prime is 1620461887207. The reversal of 1620461887206 is 6027881640261.

It is a sphenic number, since it is the product of 3 distinct primes.

1620461887206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620461887207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135038490595 + ... + 135038490606.

It is an arithmetic number, because the mean of its divisors is an integer number (405115471803).

Almost surely, 2^{1620461887206} is an apocalyptic number.

1620461887206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1620461887206 is a wasteful number, since it uses less digits than its factorization.

1620461887206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270076981206.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 1620461887206 in words is "one trillion, six hundred twenty billion, four hundred sixty-one million, eight hundred eighty-seven thousand, two hundred six".