1620410587418 has 16 divisors (see below), whose sum is σ = 2779233612480. Its totient is φ = 694114957536.

The previous prime is 1620410587381. The next prime is 1620410587489. The reversal of 1620410587418 is 8147850140261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28864523 + ... + 28920606.

It is an arithmetic number, because the mean of its divisors is an integer number (173702100780).

Almost surely, 2^{1620410587418} is an apocalyptic number.

1620410587418 is a deficient number, since it is larger than the sum of its proper divisors (1158823025062).

1620410587418 is a wasteful number, since it uses less digits than its factorization.

1620410587418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57787141.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 1620410587418 in words is "one trillion, six hundred twenty billion, four hundred ten million, five hundred eighty-seven thousand, four hundred eighteen".