161471000 has 32 divisors (see below), whose sum is σ = 377844480. Its totient is φ = 64588000.

The previous prime is 161470979. The next prime is 161471003. The reversal of 161471000 is 174161.

161471000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×161471000³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161471003) 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, 79736 + ... + 81735.

It is an arithmetic number, because the mean of its divisors is an integer number (11807640).

Almost surely, 2^161471000 is an apocalyptic number.

161471000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161471000 is an abundant number, since it is smaller than the sum of its proper divisors (216373480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161471000 is a wasteful number, since it uses less digits than its factorization.

161471000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161492 (or 161478 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 161471000 is about 12707.1239861741. The cubic root of 161471000 is about 544.5421624162.

The spelling of 161471000 in words is "one hundred sixty-one million, four hundred seventy-one thousand".