161360133 has 32 divisors (see below), whose sum is σ = 241920000. Its totient is φ = 94819200.

The previous prime is 161360117. The next prime is 161360191. The reversal of 161360133 is 331063161.

It is not a de Polignac number, because 161360133 - 2⁴ = 161360117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161360113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323118 + ... + 323616.

It is an arithmetic number, because the mean of its divisors is an integer number (7560000).

Almost surely, 2^161360133 is an apocalyptic number.

It is an amenable number.

161360133 is a deficient number, since it is larger than the sum of its proper divisors (80559867).

161360133 is a wasteful number, since it uses less digits than its factorization.

161360133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 161360133 is about 12702.7608416438. The cubic root of 161360133 is about 544.4175051952.

The spelling of 161360133 in words is "one hundred sixty-one million, three hundred sixty thousand, one hundred thirty-three".