161055059 has 16 divisors (see below), whose sum is σ = 186611040. Its totient is φ = 137372160.

The previous prime is 161055053. The next prime is 161055061. The reversal of 161055059 is 950550161.

It is a cyclic number.

It is not a de Polignac number, because 161055059 - 2¹² = 161050963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161055053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68597 + ... + 70905.

It is an arithmetic number, because the mean of its divisors is an integer number (11663190).

Almost surely, 2^161055059 is an apocalyptic number.

161055059 is a deficient number, since it is larger than the sum of its proper divisors (25555981).

161055059 is a wasteful number, since it uses less digits than its factorization.

161055059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 161055059 is about 12690.7469835310. The cubic root of 161055059 is about 544.0741894835.

The spelling of 161055059 in words is "one hundred sixty-one million, fifty-five thousand, fifty-nine".