161051550716 has 48 divisors (see below), whose sum is σ = 327460916160. Its totient is φ = 67874526720.

The previous prime is 161051550701. The next prime is 161051550773. The reversal of 161051550716 is 617055150161.

161051550716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161051550716² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161051550716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9674336 + ... + 9690968.

It is an arithmetic number, because the mean of its divisors is an integer number (6822102420).

Almost surely, 2^161051550716 is an apocalyptic number.

It is an amenable number.

161051550716 is an abundant number, since it is smaller than the sum of its proper divisors (166409365444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161051550716 is a wasteful number, since it uses less digits than its factorization.

161051550716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22374 (or 22372 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 38.

The spelling of 161051550716 in words is "one hundred sixty-one billion, fifty-one million, five hundred fifty thousand, seven hundred sixteen".