161852055 has 8 divisors (see below), whose sum is σ = 258963312. Its totient is φ = 86321088.

The previous prime is 161852039. The next prime is 161852069. The reversal of 161852055 is 550258161.

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

It is not a de Polignac number, because 161852055 - 2⁴ = 161852039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5395054 + ... + 5395083.

It is an arithmetic number, because the mean of its divisors is an integer number (32370414).

Almost surely, 2^161852055 is an apocalyptic number.

161852055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161852055 is a deficient number, since it is larger than the sum of its proper divisors (97111257).

161852055 is a wasteful number, since it uses less digits than its factorization.

161852055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10790145.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 161852055 is about 12722.1089053663. The cubic root of 161852055 is about 544.9701804519.

The spelling of 161852055 in words is "one hundred sixty-one million, eight hundred fifty-two thousand, fifty-five".