1620546332322 has 16 divisors (see below), whose sum is σ = 3246788792160. Its totient is φ = 539232756192.

The previous prime is 1620546332287. The next prime is 1620546332333. The reversal of 1620546332322 is 2232336450261.

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, 237334948 + ... + 237341775.

It is an arithmetic number, because the mean of its divisors is an integer number (202924299510).

Almost surely, 2^{1620546332322} is an apocalyptic number.

1620546332322 is an abundant number, since it is smaller than the sum of its proper divisors (1626242459838).

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

1620546332322 is a wasteful number, since it uses less digits than its factorization.

1620546332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474677297.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 1620546332322 in words is "one trillion, six hundred twenty billion, five hundred forty-six million, three hundred thirty-two thousand, three hundred twenty-two".