161075470 has 32 divisors (see below), whose sum is σ = 300827520. Its totient is φ = 62050560.

The previous prime is 161075461. The next prime is 161075489. The reversal of 161075470 is 74570161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29904 + ... + 34876.

It is an arithmetic number, because the mean of its divisors is an integer number (9400860).

Almost surely, 2^161075470 is an apocalyptic number.

161075470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161075470 is a deficient number, since it is larger than the sum of its proper divisors (139752050).

161075470 is a wasteful number, since it uses less digits than its factorization.

161075470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 161075470 is about 12691.5511266354. The cubic root of 161075470 is about 544.0971725744.

The spelling of 161075470 in words is "one hundred sixty-one million, seventy-five thousand, four hundred seventy".