161085922750 has 64 divisors (see below), whose sum is σ = 312285093120. Its totient is φ = 62177287200.

The previous prime is 161085922741. The next prime is 161085922799. The reversal of 161085922750 is 57229580161.

161085922750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161085922750.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 801981 + ... + 982519.

It is an arithmetic number, because the mean of its divisors is an integer number (4879454580).

Almost surely, 2^161085922750 is an apocalyptic number.

161085922750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161085922750 is a deficient number, since it is larger than the sum of its proper divisors (151199170370).

161085922750 is a wasteful number, since it uses less digits than its factorization.

161085922750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180682 (or 180672 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 161085922750 in words is "one hundred sixty-one billion, eighty-five million, nine hundred twenty-two thousand, seven hundred fifty".