1620642306074 has 32 divisors (see below), whose sum is σ = 2682503853120. Its totient is φ = 728216726400.

The previous prime is 1620642306037. The next prime is 1620642306119. The reversal of 1620642306074 is 4706032460261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424757 + ... + 1849784.

It is an arithmetic number, because the mean of its divisors is an integer number (83828245410).

Almost surely, 2^{1620642306074} is an apocalyptic number.

1620642306074 is a deficient number, since it is larger than the sum of its proper divisors (1061861547046).

1620642306074 is a wasteful number, since it uses less digits than its factorization.

1620642306074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274926.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 1620642306074 in words is "one trillion, six hundred twenty billion, six hundred forty-two million, three hundred six thousand, seventy-four".