161848546340 has 48 divisors (see below), whose sum is σ = 366181713408. Its totient is φ = 59734157184.

The previous prime is 161848546331. The next prime is 161848546403. The reversal of 161848546340 is 43645848161.

161848546340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161848546340² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 488969 + ... + 750191.

It is an arithmetic number, because the mean of its divisors is an integer number (7628785696).

Almost surely, 2^161848546340 is an apocalyptic number.

161848546340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161848546340 is an abundant number, since it is smaller than the sum of its proper divisors (204333167068).

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

161848546340 is a wasteful number, since it uses less digits than its factorization.

161848546340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263628 (or 263626 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 161848546340 in words is "one hundred sixty-one billion, eight hundred forty-eight million, five hundred forty-six thousand, three hundred forty".