1620662213350 has 24 divisors (see below), whose sum is σ = 3018510854280. Its totient is φ = 647387651520.

The previous prime is 1620662213279. The next prime is 1620662213369. The reversal of 1620662213350 is 533122660261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21893527 + ... + 21967426.

It is an arithmetic number, because the mean of its divisors is an integer number (125771285595).

Almost surely, 2^{1620662213350} is an apocalyptic number.

1620662213350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1620662213350 is a deficient number, since it is larger than the sum of its proper divisors (1397848640930).

1620662213350 is a wasteful number, since it uses less digits than its factorization.

1620662213350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43861704 (or 43861699 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 1620662213350 in words is "one trillion, six hundred twenty billion, six hundred sixty-two million, two hundred thirteen thousand, three hundred fifty".