1620061787130 has 16 divisors (see below), whose sum is σ = 3888148289184. Its totient is φ = 432016476560.

The previous prime is 1620061787089. The next prime is 1620061787167. The reversal of 1620061787130 is 317871600261.

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, 27001029756 + ... + 27001029815.

It is an arithmetic number, because the mean of its divisors is an integer number (243009268074).

Almost surely, 2^{1620061787130} is an apocalyptic number.

1620061787130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1620061787130 is an abundant number, since it is smaller than the sum of its proper divisors (2268086502054).

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

1620061787130 is a wasteful number, since it uses less digits than its factorization.

1620061787130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54002059581.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 1620061787130 in words is "one trillion, six hundred twenty billion, sixty-one million, seven hundred eighty-seven thousand, one hundred thirty".