1620107162855 has 8 divisors (see below), whose sum is σ = 2046451153200. Its totient is φ = 1227870691776.

The previous prime is 1620107162833. The next prime is 1620107162929. The reversal of 1620107162855 is 5582617010261.

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

It is a cyclic number.

It is not a de Polignac number, because 1620107162855 - 2¹⁶ = 1620107097319 is a prime.

It is a super-3 number, since 3×1620107162855³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

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, 8526879710 + ... + 8526879899.

It is an arithmetic number, because the mean of its divisors is an integer number (255806394150).

Almost surely, 2^{1620107162855} is an apocalyptic number.

1620107162855 is a deficient number, since it is larger than the sum of its proper divisors (426343990345).

1620107162855 is a wasteful number, since it uses less digits than its factorization.

1620107162855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053759633.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 1620107162855 in words is "one trillion, six hundred twenty billion, one hundred seven million, one hundred sixty-two thousand, eight hundred fifty-five".