1620745364102 has 8 divisors (see below), whose sum is σ = 2431133491800. Its totient is φ = 810367533504.

The previous prime is 1620745364087. The next prime is 1620745364129. The reversal of 1620745364102 is 2014635470261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1620745364102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167952 + ... + 2818067.

It is an arithmetic number, because the mean of its divisors is an integer number (303891686475).

Almost surely, 2^{1620745364102} is an apocalyptic number.

1620745364102 is a deficient number, since it is larger than the sum of its proper divisors (810388127698).

1620745364102 is a wasteful number, since it uses less digits than its factorization.

1620745364102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148550.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 1620745364102 in words is "one trillion, six hundred twenty billion, seven hundred forty-five million, three hundred sixty-four thousand, one hundred two".