161035877 has 8 divisors (see below), whose sum is σ = 166235256. Its totient is φ = 155881152.

The previous prime is 161035859. The next prime is 161035909. The reversal of 161035877 is 778530161.

161035877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 138321121 + 22714756 = 11761^2 + 4766^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161035877 - 2⁶ = 161035813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161035877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161035807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3758 + ... + 18335.

It is an arithmetic number, because the mean of its divisors is an integer number (20779407).

Almost surely, 2^161035877 is an apocalyptic number.

It is an amenable number.

161035877 is a deficient number, since it is larger than the sum of its proper divisors (5199379).

161035877 is a wasteful number, since it uses less digits than its factorization.

161035877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22327.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 161035877 is about 12689.9912135509. The cubic root of 161035877 is about 544.0525884949.

The spelling of 161035877 in words is "one hundred sixty-one million, thirty-five thousand, eight hundred seventy-seven".