161150006555 has 8 divisors (see below), whose sum is σ = 193389008112. Its totient is φ = 128914005088.

The previous prime is 161150006509. The next prime is 161150006557. The reversal of 161150006555 is 555600051161.

161150006555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 161150006555 - 2¹⁶ = 161149941019 is a prime.

It is a super-2 number, since 2×161150006555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161150006557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630104 + ... + 848133.

It is an arithmetic number, because the mean of its divisors is an integer number (24173626014).

Almost surely, 2^161150006555 is an apocalyptic number.

161150006555 is a deficient number, since it is larger than the sum of its proper divisors (32239001557).

161150006555 is a wasteful number, since it uses less digits than its factorization.

161150006555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500045.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 161150006555 in words is "one hundred sixty-one billion, one hundred fifty million, six thousand, five hundred fifty-five".