161302650 has 24 divisors (see below), whose sum is σ = 400030944. Its totient is φ = 43014000.

The previous prime is 161302639. The next prime is 161302667. The reversal of 161302650 is 56203161.

161302650 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 161302650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537526 + ... + 537825.

It is an arithmetic number, because the mean of its divisors is an integer number (16667956).

Almost surely, 2^161302650 is an apocalyptic number.

161302650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161302650 is an abundant number, since it is smaller than the sum of its proper divisors (238728294).

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

161302650 is a wasteful number, since it uses less digits than its factorization.

161302650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075366 (or 1075361 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 161302650 is about 12700.4980217313. The cubic root of 161302650 is about 544.3528496785.

The spelling of 161302650 in words is "one hundred sixty-one million, three hundred two thousand, six hundred fifty".