161641150453454 has 12 divisors (see below), whose sum is σ = 282047313546504. Its totient is φ = 69274778765724.

The previous prime is 161641150453429. The next prime is 161641150453457. The reversal of 161641150453454 is 454354051146161.

161641150453454 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-3 number, since 3×161641150453454³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161641150453457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 824699747114 + ... + 824699747309.

It is an arithmetic number, because the mean of its divisors is an integer number (23503942795542).

Almost surely, 2^{161641150453454} is an apocalyptic number.

161641150453454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161641150453454 is a deficient number, since it is larger than the sum of its proper divisors (120406163093050).

161641150453454 is a wasteful number, since it uses less digits than its factorization.

161641150453454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649399494439 (or 1649399494432 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 161641150453454 in words is "one hundred sixty-one trillion, six hundred forty-one billion, one hundred fifty million, four hundred fifty-three thousand, four hundred fifty-four".