161433476 has 6 divisors (see below), whose sum is σ = 282508590. Its totient is φ = 80716736.

The previous prime is 161433473. The next prime is 161433497. The reversal of 161433476 is 674334161.

161433476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 120780100 + 40653376 = 10990^2 + 6376^2 .

It is not an unprimeable number, because it can be changed into a prime (161433473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179181 + ... + 20179188.

It is an arithmetic number, because the mean of its divisors is an integer number (47084765).

Almost surely, 2^161433476 is an apocalyptic number.

It is an amenable number.

161433476 is a deficient number, since it is larger than the sum of its proper divisors (121075114).

161433476 is a wasteful number, since it uses less digits than its factorization.

161433476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40358373 (or 40358371 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 161433476 is about 12705.6474057798. The cubic root of 161433476 is about 544.4999773734.

The spelling of 161433476 in words is "one hundred sixty-one million, four hundred thirty-three thousand, four hundred seventy-six".