161573470 has 8 divisors (see below), whose sum is σ = 290832264. Its totient is φ = 64629384.

The previous prime is 161573443. The next prime is 161573483. The reversal of 161573470 is 74375161.

161573470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×161573470² = 52211972415681800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8078664 + ... + 8078683.

It is an arithmetic number, because the mean of its divisors is an integer number (36354033).

Almost surely, 2^161573470 is an apocalyptic number.

161573470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161573470 is a deficient number, since it is larger than the sum of its proper divisors (129258794).

161573470 is a wasteful number, since it uses less digits than its factorization.

161573470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16157354.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 161573470 is about 12711.1553369471. The cubic root of 161573470 is about 544.6573274429.

The spelling of 161573470 in words is "one hundred sixty-one million, five hundred seventy-three thousand, four hundred seventy".