1620515314000 has 160 divisors (see below), whose sum is σ = 4285925504640. Its totient is φ = 587720448000.

The previous prime is 1620515313947. The next prime is 1620515314027. The reversal of 1620515314000 is 4135150261.

It is a self number, because there is not a number n which added to its sum of digits gives 1620515314000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8240824 + ... + 8435176.

It is an arithmetic number, because the mean of its divisors is an integer number (26787034404).

Almost surely, 2^{1620515314000} is an apocalyptic number.

1620515314000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1620515314000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142962752320).

1620515314000 is an abundant number, since it is smaller than the sum of its proper divisors (2665410190640).

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

1620515314000 is a wasteful number, since it uses less digits than its factorization.

1620515314000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194766 (or 194750 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 1620515314000 in words is "one trillion, six hundred twenty billion, five hundred fifteen million, three hundred fourteen thousand".