161450835 has 96 divisors (see below), whose sum is σ = 330103872. Its totient is φ = 66769920.

The previous prime is 161450813. The next prime is 161450843. The reversal of 161450835 is 538054161.

It is not a de Polignac number, because 161450835 - 2⁵ = 161450803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161450796 and 161450805.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 582717 + ... + 582993.

It is an arithmetic number, because the mean of its divisors is an integer number (3438582).

Almost surely, 2^161450835 is an apocalyptic number.

161450835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161450835 is an abundant number, since it is smaller than the sum of its proper divisors (168653037).

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

161450835 is a wasteful number, since it uses less digits than its factorization.

161450835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 161450835 is about 12706.3305088448. The cubic root of 161450835 is about 544.5194934337.

The spelling of 161450835 in words is "one hundred sixty-one million, four hundred fifty thousand, eight hundred thirty-five".