161530270006763 has 24 divisors (see below), whose sum is σ = 189042590397024. Its totient is φ = 137614624425600.

The previous prime is 161530270006751. The next prime is 161530270006943. The reversal of 161530270006763 is 367600072035161.

It is not a de Polignac number, because 161530270006763 - 2⁴ = 161530270006747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161530270006463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104144423 + ... + 105684063.

It is an arithmetic number, because the mean of its divisors is an integer number (7876774599876).

Almost surely, 2^{161530270006763} is an apocalyptic number.

161530270006763 is a deficient number, since it is larger than the sum of its proper divisors (27512320390261).

161530270006763 is a wasteful number, since it uses less digits than its factorization.

161530270006763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552643 (or 1552636 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 161530270006763 in words is "one hundred sixty-one trillion, five hundred thirty billion, two hundred seventy million, six thousand, seven hundred sixty-three".