1620371104928 has 24 divisors (see below), whose sum is σ = 3190863443040. Its totient is φ = 809993087680.

The previous prime is 1620371104921. The next prime is 1620371104987. The reversal of 1620371104928 is 8294011730261.

It is not an unprimeable number, because it can be changed into a prime (1620371104921) 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, 5877668 + ... + 6147171.

It is an arithmetic number, because the mean of its divisors is an integer number (132952643460).

Almost surely, 2^{1620371104928} is an apocalyptic number.

It is an amenable number.

1620371104928 is a deficient number, since it is larger than the sum of its proper divisors (1570492338112).

1620371104928 is a wasteful number, since it uses less digits than its factorization.

1620371104928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029060 (or 12029052 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 1620371104928 in words is "one trillion, six hundred twenty billion, three hundred seventy-one million, one hundred four thousand, nine hundred twenty-eight".