161464147 has 16 divisors (see below), whose sum is σ = 193808160. Its totient is φ = 132890112.

The previous prime is 161464123. The next prime is 161464157. The reversal of 161464147 is 741464161.

It is a cyclic number.

It is not a de Polignac number, because 161464147 - 2⁷ = 161464019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161464157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15028 + ... + 23425.

It is an arithmetic number, because the mean of its divisors is an integer number (12113010).

Almost surely, 2^161464147 is an apocalyptic number.

161464147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

161464147 is a deficient number, since it is larger than the sum of its proper divisors (32344013).

161464147 is a wasteful number, since it uses less digits than its factorization.

161464147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38502.

The product of its digits is 16128, while the sum is 34.

The square root of 161464147 is about 12706.8543314229. The cubic root of 161464147 is about 544.5344586588.

The spelling of 161464147 in words is "one hundred sixty-one million, four hundred sixty-four thousand, one hundred forty-seven".