161473011 has 8 divisors (see below), whose sum is σ = 246054144. Its totient is φ = 92270280.

The previous prime is 161472991. The next prime is 161473019. The reversal of 161473011 is 110374161.

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

It is not a de Polignac number, because 161473011 - 2⁵ = 161472979 is a prime.

It is a super-2 number, since 2×161473011² = 52147066562812242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161473019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3844575 + ... + 3844616.

It is an arithmetic number, because the mean of its divisors is an integer number (30756768).

Almost surely, 2^161473011 is an apocalyptic number.

161473011 is a deficient number, since it is larger than the sum of its proper divisors (84581133).

161473011 is an equidigital number, since it uses as much as digits as its factorization.

161473011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689201.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 161473011 is about 12707.2031147692. The cubic root of 161473011 is about 544.5444230280.

The spelling of 161473011 in words is "one hundred sixty-one million, four hundred seventy-three thousand, eleven".